I have this model which map to a postgresql view
class AppModel(models.Model):
nbr = models.BigIntegerField(blank=True, null=True)
region = models.ForeignKey(AppWilaya,blank=True, null=True)
date_preorder = models.DateField(blank=True, null=True)
id = models.IntegerField(primary_key=True,blank=True, db_column=
'dummy_id')
What I want to achieve is to have region > sum(nbr), so:
class AppModelAdmin(admin.ModelAdmin):
....
def queryset(self, request):
qs = super(AppModelAdmin, self).get_queryset(request)
qs=qs.values("region").annotate(total=Sum( 'nbr'))
But Django is throwing an exception:
Exception Value: 'dict' object has no attribute '_meta'
Exception Location:
D:\Python335\lib\site-packages\django\contrib\admin\util.py in
lookup_field, line 242
Note when I remove .values("region") the exception doesn't occure.
Am I missing something ?
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