On 31-7-2012 14:36, Joris wrote:

> class SlowModel(models.Model): 
>     rid_fastmodel = models.IntegerField(primary_key=True) 
>     calcfield1 = models.TextField(blank=True)
>     calcfield2= models.TextField(blank=True)
> 
> SQLstatement = "SELECT rid_fastmodel, calcfield1, calcfield2 from (SELECT 
> ....) JOIN (...) JOIN (...) WHERE some_condition = %s"
> 
> Is this better?

Yep, dive into PostgreSQL views [1]. It should be possible to create a
view that yields the same fields as your SlowModel class and you can use
a OneToOneField in the SlowModel corresponding the view's rid_fastmodel.
syncdb becomes your enemy, but it is the cleanest solution.

[1] http://www.postgresql.org/docs/9.1/static/sql-createview.html,
http://www.postgresql.org/docs/9.1/static/tutorial-views.html
-- 
Melvyn Sopacua

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