/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

1 vote139 views1 answer
Django reverse queryset
Python Django
0 vote140 views1 answer
?: (admin.W411) 'django.template.context_processors.request' must be enabled in DjangoTemplates (TEMPLATES) in order to use the admin navigation sidebar.
Python Django
2 votes122 views2 answers
AttributeError: module 'django.contrib.auth.views' has no attribute 'login'
Python Django
1 vote134 views1 answer
Django queryset first element
Python Django
0 vote142 views1 answer
Get ip address in django
Python Django
0 vote142 views1 answer
How to use put method in django
Python Django
0 vote136 views2 answers
Django ajax body to json
Python Django
0 vote137 views2 answers
Django query string route
Python Django
0 vote137 views1 answer
Using django model translation with django rest
Python Django
4 votes143 views2 answers
Primary key django model
Python Django