/Python/Django/Use in in django while preserving order

Use in in django while preserving order

pk_list = [5, 7, 1, 3, 4]
clauses = ' '.join(['WHEN id=%s THEN %s' % (pk, i) for i, pk in enumerate(pk_list)])
ordering = 'CASE %s END' % clauses
queryset = Article.objects.filter(pk__in=pk_list).extra(
           select={'ordering': ordering}, order_by=('ordering',))

Source: codybonney.com

Similar codes

1 vote267 views1 answer
Add help text in Django model forms
Python Django
1 vote207 views1 answer
Delete and start fresh with db django
Python Django
0 vote206 views1 answer
Django optional path parameter
Python Django
0 vote202 views1 answer
Bulk upload with dictionary or list in django moels
Python Django
1 vote182 views1 answer
Django form list option
Python Django
23 votes253 views3 answers
Pip install django rest framework
Python Django
0 vote200 views1 answer
Django trigger when an instance od data is deleted from model
Python Django
0 vote204 views1 answer
Django sesssion can't works when web app call inside an iframe from other website
Python Django
2 votes191 views2 answers
Django response headers
Python Django
0 vote187 views1 answer
Django model meta ordering multiple ordering
Python Django