[Gnumed-devel] proposed 0.3 roadmap

[Karsten Hilbert]

Can we agree on this:

1) migrate to psycopg2

Why ?

- actively maintained/developed
- lets us avoid mx.DateTime
- offers connection pooling (reduce gmPG complexity)
- has more unit tests now
- offers async queries
- offers access to SQLSTATE error codes

2) use SQLSTATE based error handling

- do not rely on textual (possibly i18ned) error messages

3) implement Ian's concept of exception-throwing business objects

- drop SELECT FOR UPDATE but
- use XMIN in update operations in
- serialized transactions

Karsten
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