Django query where in

Question

How to do this using django object query:

 SELECT * FROM test WHERE (test_id IN (SELECT test_id FROM test_subject_set)) AND (test_begin_time < \'\') AND (test         


        

Answer 1

Two querysets is documented way of doing this. It will be one database hit anyway.

test_ids = Subject.objects.all()
result = Test.objects.filter(test_id__in=test_ids).filter([some other filtering])