goutomroy/medium_django_db_optimization_aggregation.py

## medium_django_db_optimization_aggregation.py
# Don't
most_liked = 0
for entry in Entry.objects.all():
    if entry.likes > most_liked:
        most_liked = entry.likes
# Do
most_liked = Entry.objects.all().aggregate(Max('likes'))['likes__max']
	# Don't
	most_liked = 0
	for entry in Entry.objects.all():
	if entry.likes > most_liked:
	most_liked = entry.likes
	# Do
	most_liked = Entry.objects.all().aggregate(Max('likes'))['likes__max']