/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

45 votes243 views4 answers
Append to front of list python
Python
9 votes232 views3 answers
Print for loop in same line python
Python
1 vote261 views1 answer
Python discord discord.py disable remove help command
Python
0 vote252 views1 answer
231a codeforces solution in python
Python
1 vote286 views1 answer
Python rickroll code
Python
21 votes260 views6 answers
Select columns from dataframe pandas
Python
-86 votes261 views10 answers
Code
Python
2 votes272 views3 answers
Python find first occurrence in list
Python
3 votes248 views2 answers
Creating new virtual environment in python
Python
0 vote248 views1 answer
Collections counter sort by value
Python