/Python/Django/Django prevent duplicate entries

Django prevent duplicate entries

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

How to avoid inserting duplicate records in orm django

if not table.objects.filter(column1=values).exists():
    # Insert new data here
    table.objects.create(column1=v1, column2=v2)

Similar codes

0 vote243 views1 answer
Django graphene without model
Python Django
0 vote254 views1 answer
How to add static files in django 3.2.9
Python Django
-1 vote215 views1 answer
Binascii.Error: Incorrect padding in python django
Python Django
6 votes209 views5 answers
How to redirect in django
Python Django
0 vote240 views1 answer
Check if a date is reached django
Python Django
0 vote230 views1 answer
For loop in django template css
Python Django
1 vote246 views2 answers
Django get settings
Python Django
0 vote218 views2 answers
Django form formatting
Python Django
0 vote222 views1 answer
AttributeError: module 'django.db.models' has no attribute 'ArrayField'
Python Django
2 votes239 views1 answer
Django override delete
Python Django