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 vote69 views1 answer
From flask import flask app = flask(__name__) @app.route("/") def hello_world(): return "<p>hello, world!</p>"
Python
0 vote114 views1 answer
How to get session value in django template
Python Django
8 votes137 views1 answer
X = df.iloc[:, 1:]
Python
0 vote96 views1 answer
Get key of min value
Python
79 votes100 views3 answers
Reverse element in a list in python 3
Python
0 vote91 views1 answer
Intersect in python list
Python
0 vote103 views1 answer
Python get bits from byte
Python
6 votes99 views1 answer
Select closest number in array python
Python
0 vote110 views1 answer
Emr cluster step error ModuleNotFoundError: No module named 'torch'
Python
0 vote120 views1 answer
Python regex find single character
Python