Django group by

# If you mean to do aggregation you can use the aggregation features of the ORM:
from django.db.models import Count
Members.objects.values('designation').annotate(dcount=Count('designation'))

# This results in a query similar to:
SELECT designation, COUNT(designation) AS dcount
FROM members GROUP BY designation

#and the output would be of the form
[{'designation': 'Salesman', 'dcount': 2}, 
 {'designation': 'Manager', 'dcount': 2}]

Source: stackoverflow.com

Django queryset group by

from django.db.models import Avg
teams = Analysts.objects.values('class').annotate(avgcap=Avg('gpa'))
# Assuming Analysts model has class and gpa field..
# This will group by class field and give the avg of gpa field values

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