/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 vote142 views2 answers
Split list python percent
Python
3 votes137 views6 answers
Counter in python
Python
0 vote135 views1 answer
Python min length list of strings
Python
0 vote138 views1 answer
Python pick one item from list
Python
0 vote166 views1 answer
Django is .get lazy
Python Django
0 vote145 views1 answer
Circular list python
Python
-1 vote150 views1 answer
List of letter in word python
Python
0 vote127 views1 answer
Ldap python how to print entries
Python
-3 votes149 views5 answers
Python 3.1 release date
Python
0 vote136 views1 answer
Transform networkx graph to dataframe
Python