/Python/Django/Sum values in django models

Sum values in django models

sum_a = sum([item.column for item in queryset]) # Definitely takes more memory.
sum_b = queryset.aggregate(Sum('column')).get('column__sum') # Takes about 20% more time.

Source: stackoverflow.com

Similar codes

0 vote198 views1 answer
The module in NAME could not be imported: django.contrib.user_auth.password_validation.UserAttributeSimilarityValidator. Check your AUTH_PASSWORD_VALI
Python Django
0 vote183 views1 answer
Django rest DjangoModelPermissions include get
Python Django
1 vote213 views1 answer
Import status in django rest framework
Python Django
1 vote174 views1 answer
Cookies in django
Python Django
0 vote190 views1 answer
Extra import on django
Python Django
0 vote174 views3 answers
Django custom authentication
Python Django
1 vote160 views2 answers
Django client ip
Python Django
0 vote208 views1 answer
Django dumpdata specific app
Python Django
0 vote140 views1 answer
Django template date format yyyy-mm-dd
Python Django
1 vote179 views1 answer
Db_index django
Python Django