Django View에서의 filtering
class PostListAPIView(generics.ListAPIView):
	queryset = Post.obejects.all()
    
    def get_queryset(self):
    	q = self.request.query_params.get('q', '')
        qs = super().get_queryset()
        if q:
        	qs = qs.filter(titled__icontains=q)
        return qs
from rest_framework.filters import SearchFilter, OrderingFilter
class PostModelViewSet(viewsets.ModelViewSet):
    queryset = Post.objects.all()
    serializer_class = PostSerializer
    
    filter_backends = [SearchFilter, OrderingFilter]
    search_fields = ['message'] //문자열필드에만 가능.
    ordering_fields = ['id'] //지정하지않으면 Serializer의 모든 필드가 가능.
    ordering = ['id']
 /myurl/?search=검색어&ordering=-pk
/myurl/?search=검색어&ordering=-created_at, pk 등으로 사용가능.