/Python/Delete duplicates from db django the most efficient way

Delete duplicates from db django the most efficient way

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

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

1 vote48 views2 answers
Selenium text value is empty in flask returns
Python
0 vote54 views1 answer
Python if something exception
Python
0 vote52 views1 answer
Cache pyspark
Python
0 vote62 views1 answer
Add variable to print python
Python
0 vote44 views1 answer
Developpement limité sinus python
Python
0 vote48 views1 answer
Tensorflow io check file exist
Python
1 vote58 views1 answer
Time.sleep() faster
Python
1 vote50 views1 answer
Index of sorted list python
Python
0 vote48 views3 answers
How to join two dataframes by 2 columns so they have only the common rows?
Python
0 vote45 views1 answer
2 distinct numbers random number generator python
Python