On Nov 21, 2012, at 4:42 PM, Ivan Kalinin wrote:

> Hellow, fellow developers!
> 
> I have run into and issue trying to use SQLAlchemy (0.7.4) and recent pymssql 
> (2.0.0).
> 
> Precisely, pymssql can not handle uuid.UUID objects as parameters (see 
> related post on their ML here), but SA uses them in generated queries for the 
> object querying/deletion.
> 
> Folks from the pymssql suggest that the convertion of uuid.UUID to the string 
> objects should be done in the corresponding SA dialect. 
> 
> If so, I would be glad to fix that with a patch if someone could give me 
> couple of pointers to writing these dialects.


Take a look at the UUID recipe at 
http://docs.sqlalchemy.org/en/rel_0_8/core/types.html#backend-agnostic-guid-type
 which is provided for this purpose.





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