cliftonavil
/ remove_duplicates.py
Created
September 27, 2021 13:10
— forked from victorono/remove_duplicates.py
Django - remove duplicate objects where there is more than one field to compare
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| from django.db.models import Count, Max | |
| unique_fields = ['field_1', 'field_2'] | |
| duplicates = ( | |
| MyModel.objects.values(*unique_fields) | |
| .order_by() | |
| .annotate(max_id=Max('id'), count_id=Count('id')) | |
| .filter(count_id__gt=1) | |
| ) |