/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 vote126 views2 answers
Django drop database postgres
Python Django
0 vote135 views1 answer
Django python base 64 decode
Python Django
0 vote117 views1 answer
Django check if get parameter exists
Python Django
-4 votes118 views5 answers
Current django version
Python Django
0 vote138 views1 answer
Django raise 404
Python Django
2 votes136 views1 answer
Django orm timestamp field
Python Django
0 vote122 views1 answer
Reading json without using relative path in django
Python Django
0 vote120 views1 answer
Django require_POST body
Python Django
4 votes133 views3 answers
No such table: django_session
Python Django
2 votes128 views1 answer
How store list in django session
Python Django