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Queryset Filtering

get_queryset() narrows results per-request, while filter backends translate query parameters declaratively: django-filter's FilterSet maps params to ORM lookups, SearchFilter builds icontains queries across configured fields, and OrderingFilter whitelists sortable columns. Whitelisting filterable and orderable fields is a security boundary, not a convenience.

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get_queryset() narrows results per-request, while filter backends translate query parameters declaratively: django-filter's FilterSet maps params to ORM lookups, SearchFilter builds icontains queries across configured fields, and OrderingFilter whitelists sortable columns. Whitelisting filterable and orderable fields is a security boundary, not a convenience.

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