/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

0 vote139 views1 answer
Time feature extraction
Python
12 votes152 views3 answers
Pandas xlsx to dataframe
Python
0 vote177 views1 answer
Django url patterns static
Python Django
6 votes144 views1 answer
Check 32 or 64 bit python
Python
0 vote164 views2 answers
Get min of list python
Python
0 vote156 views1 answer
Gridsearch cv
Python
0 vote155 views2 answers
Pyqt open file dialog
Python
11 votes145 views6 answers
Write list to csv python
Python
-1 vote145 views1 answer
Pandas df multiindex
Python
2 votes217 views3 answers
Horizontal bar plot matplotlib
Python