/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

1 vote319 views1 answer
Django migrate fake zero
Python Django
-1 vote313 views2 answers
How to url encode using python django
Python Django
0 vote293 views1 answer
Adding bootstrap grid dynamically django
Python Django
0 vote284 views1 answer
Django template render dict
Python Django
0 vote274 views1 answer
Django array of dates
Python Django
0 vote296 views1 answer
Validationerror django params
Python Django
0 vote292 views1 answer
Django force download file
Python Django
1 vote280 views1 answer
Iterate over dictionary django
Python Django
6 votes283 views3 answers
Django models filter
Python Django
0 vote306 views1 answer
Django dumpdata specific app
Python Django