/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 vote182 views1 answer
Django get model class from queryset
Python Django
0 vote187 views2 answers
How to get a specific field in django
Python Django
1 vote196 views1 answer
Select realted for foreign key table in django
Python Django
6 votes179 views5 answers
How to redirect in django
Python Django
1 vote193 views1 answer
User matching query does not exist. django
Python Django
0 vote258 views1 answer
Relative path django
Python Django
0 vote186 views1 answer
Django queryset to instance
Python Django
0 vote192 views1 answer
Api view wrapper django
Python Django
1 vote192 views1 answer
Import "django.core.urlresolvers" could not be resolved
Python Django
0 vote195 views10 answers
EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend'
Python Django