django prevent duplicate entries
for instance in Stock.objects.all():
if instance.category == category:
raise forms.ValidationError(str(category) + ' is already created')
return categorydjango prevent duplicate entries
for instance in Stock.objects.all():
if instance.category == category:
raise forms.ValidationError(str(category) + ' is already created')
return categorydjango 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)Copyright © 2021 Codeinu
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