/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

-2 votes334 views1 answer
Turtle opacity
Python
0 vote353 views1 answer
Printing float number python
Python
1 vote340 views1 answer
Euclidean division in python
Python
3 votes364 views1 answer
Django user group check
Python
4 votes371 views2 answers
Python image to grayscale
Python
5 votes372 views2 answers
2d list comprehension python
Python
4 votes334 views1 answer
Python turtle square
Python
25 votes347 views6 answers
Pandas select row by index
Python
1 vote381 views6 answers
Skit learn decision
Python
20 votes365 views2 answers
Python list of paths
Python