[BioSQL-l] Python ORM mapping for BioSQL

Raoul Jean Pierre Bonnal raoul.bonnal at itb.cnr.it
Fri Nov 28 08:51:02 EST 2008


Il venerdì 28 novembre 2008 12:55:22 Peter ha scritto:
> Nick Loman wrote:....
> My impression is that Django's philosophy is that they expect you to
> define your objects which then automatically defines the database
> schema.  Note the title of this FAQ page refers to an existing schema
> as a "legacy" database:
> http://docs.djangoproject.com/en/dev/howto/legacy-databases/
> If Django can cope with an existing schema, then it does look like an
> excellent package, and seems well documented.
You are right.This, philosophy, is the same of others ORM like ActiveRecord 
and DataMapper. In Ruby I prefer DataMapper because is simpler and 
configurable than AR. Usually they have particular conventions and 
requirements. So choose the one which fits best with BioSQL schema without  
modify the schema. 
I wasted a lot of time digging into the API to understand how ORM handles 
relationships.

Last, check if your ORM can handle transactions for free.

Ciao.

--
Ra



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