Hi folks,
My name is Renato, 21, currently studying Biomedical Informatics at
the University of São Paulo, Brazil. I'm submitting in the next week
my proposal to GSoC, to create a denormalized model field, like
discussed in
http://groups.google.com/group/django-developers/browse_thread/thread/9a672d5bbbe67562/39c7663e9efdc204.
My idea is to create only *one generic field*, called
"DenormalizedField", using this syntax:
class Order(models.Model):
...
n_items = DenormalizedField(signal_from='itemorder',
qs=self.itemorder_set.count())
total_price = DenormalizedField(signal_from='itemorder',
qs=self.itemorder_set.sum('item_price'))
And we could use the same way to mirror a field, something like:
class Order(models.Model):
customer = models.ForeignKey(Customer)
customer_name = models.DenormalizedField(signal_from='customer',
qs=self.customer.name)
...
And again:
class Article(models.Model):
text = models.TextField()
text_rendered = models.DenormalizedField(signal_from='self',
qs=self.text.render())
- I don't know wheter the param name 'qs' would be right for these
situations.
If possible, I'd like some feedback before submitting it.
Thank you all :)
Renato
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