/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

3 votes143 views1 answer
Matplotlib y axis log scale
Python
33 votes137 views4 answers
Split word python
Python
19 votes142 views6 answers
Python tkinter window size
Python
2 votes134 views2 answers
Pipenv freeze requirements.txt
Python
1 vote180 views2 answers
Python get the elements between quotes in string
Python
0 vote163 views1 answer
Key item loop list python
Python
1 vote169 views2 answers
Django content type
Python
2 votes178 views2 answers
Python parentheses
Python
0 vote133 views1 answer
Is vs == python
Python
0 vote132 views1 answer
Replace substrings to float
Python