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Home/ Questions/Q 860029
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T08:45:27+00:00 2026-05-15T08:45:27+00:00

For instance, given a model A, and a model B, where A are unique

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For instance, given a model A, and a model B, where A are unique records, and B are records that have Foreign Keys to A, how would you go about getting a set of A where those in the set are referenced by B at least n or more times?

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  1. Editorial Team
    Editorial Team
    2026-05-15T08:45:28+00:00Added an answer on May 15, 2026 at 8:45 am

    Use annotations.

    from django.db.models import Count
    A.objects.annotate(b_count=Count('b')).filter(b_count__gte=n)
    
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