/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

19 votes124 views5 answers
Python copy file to another directory
Python
0 vote130 views1 answer
(Word or Phrase to Phone-Number Generator) python
Python
0 vote97 views3 answers
How to transpose a matrix in python
Python
122 votes130 views3 answers
Iterate through keys in dictionary
Python
1 vote113 views1 answer
Python import ndjson data
Python
1 vote124 views1 answer
Python number of elements in list of lists
Python
0 vote142 views1 answer
Print all variables jupyter notebook
Python
0 vote126 views1 answer
Clear output alternative for visual studio code in python
Python
-1 vote148 views1 answer
Django queryset count
Python
1 vote152 views1 answer
Implicit conversion in python example
Python