elhoucine
elhoucine
Programming language:Python
2021-05-29 05:15:44
0
Q:

Use in in django while preserving order

Roberto Garcia
Roberto Garcia
Code: Python
2021-06-22 09:39:31 
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',))
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