/Python/Django/Removing duplicates from django models data

Removing duplicates from django models data

Django model remove duplicates

from django.db.models import Count
from app.models import Email

duplicate_emails = Email.objects.values('email').annotate(email_count=Count('email')).filter(email_count__gt=1)

Source: newbedev.com

Django prevent duplicate entries

for instance in Stock.objects.all():
			if instance.category == category:
				raise forms.ValidationError(str(category) + ' is already created')
		return category

Source: arbcoms.com

Removing duplicates from django models data

for duplicates in Tag.objects.values("name").annotate(
    records=Count("name")
).filter(records__gt=1):
    for tag in Tag.objects.filter(name=duplicates["name"])[1:]:
        tag.delete()

Source: djangotricks.com

Similar codes

1 vote219 views1 answer
Not null constraint failed django
Python Django
0 vote190 views1 answer
Django fixtures. To loaddata
Python Django
2 votes198 views1 answer
Count the number of rows in a database table in Django
Python Django
0 vote201 views1 answer
Django update replace regex
Python Django
3 votes191 views3 answers
Simple jwt django
Python Django
2 votes181 views1 answer
Set http response content type django
Python Django
0 vote203 views1 answer
Is_valid method django
Python Django
0 vote189 views1 answer
How to update image in django
Python Django
0 vote205 views1 answer
What is a good django orm cookbook
Python Django
0 vote184 views2 answers
How to JOIN three tables with Django ORM
Python Django