/Python/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 vote158 views1 answer
Free download django app for windows 10
Python Django
4 votes125 views2 answers
Print format python
Python
4 votes148 views3 answers
Python list add element to front
Python
3 votes138 views1 answer
Label size matplotlib
Python
1 vote128 views1 answer
Ax tick params
Python
0 vote117 views1 answer
Get scipy version python
Python
1 vote166 views1 answer
How to restart loop python
Python
0 vote128 views1 answer
Django creat app return _bootstrap._gcd_import
Python
0 vote196 views2 answers
Fetch api flask url redirect
Python Flask
0 vote155 views1 answer
Pandas columns starting with
Python