/Python/Removing duplicates from django models data

Removing duplicates from django models data

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

Removing duplicates from django models data

for duplicates in Tag.objects.values("name").annotate(
    records=Count("name")
).filter(records__gt=1):
    for tag in Tag.objects.filter(name=duplicates["name"])[1:]:
        tag.delete()

Source: djangotricks.com

Similar codes

0 vote175 views2 answers
Iterate a list of tuples
Python
1 vote175 views1 answer
Discord.py on command error
Python
106 votes175 views5 answers
Sorting by column in pandas
Python
0 vote175 views1 answer
App is not a registered namespace django
Python
0 vote174 views1 answer
Cv2.imwrite save to folder
Python
0 vote160 views1 answer
Adam RMSprop Adagrad.
Python
0 vote199 views1 answer
Python launch ipython from script
Python
0 vote181 views1 answer
How to add phone number to django user model
Python
2 votes203 views1 answer
Flask make static directory
Python Flask
0 vote194 views1 answer
How to rename rengeindex pandas
Python