About Counting Occurrences
You can count the occurrences of a certain string in all records of a model using annotations like this:
from django.db.models import Count
from places.models import Place
for record in Place.objects.values("city").annotate(
occurrences=Count("city"),
).order_by("-occurrences"):
print(f"{record['city']}: {record['occurrences']}")
Tips and Tricks Programming Databases Django 4.2 Django 3.2 Django 2.2 PostgreSQL MySQL
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