> I need to retrieve latest record (each record has a time stamp,
> created_at), only one record, from sale table where product_id=1. How
> do I do this in Django ORM? I have looked at .objects.extra{}, but I
> am getting ProgrammingError 1064.
>
> I need to get this sql into Django ORM:
>
> select created_at
> , amount
> , ...
> from sales
> where product_id = 1
> order
> by created_at desc
> limit 1
It's very simple - use your normal QuerySet syntax to filter the
product_id and then just say .latest(). See the djando models
documetnation on how to specify on which field(s) should .latest work.
It'll look like:
ModelName.objects.filter(product=product_id).latest();
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