I have something like this:
class MyManager(models.Manager):
use_for_related_fields = True
def get_query_set(self):
return super(MyManager, self).get_query_set().extra(select =
{'_extra_field':"xxx"})
class ModelA(models.Model):
...
objects = MyManager()
class ModelB(models.Model):
...
ref = models.ForeignKey(ModelA)
When I override the get_query_set() adding extra fields, these fields
aren't available if I execute:
ModelB.objects.all().select_related('ref')
This is a bug? If not, how can I get the extra fields from ModelA
through ModelB with only one query?
I need this cause I have to display a list of 50+ ModelBs and i can't
execute 50+ queries only for that..
Gleber
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