This is the right way to do so. Querysets are lazy. Only the rows
needed will be fetched in this example.
code_berzerker wrote:
> theres line of code in tutorial:
>
> Poll.objects.all().order_by('-pub_date')[:5]
>
> this gives 5 Poll objects. I wonder if this is efficient way of
> getting them? Does django get all rows first and then sort it and then
> slice it to get only 5? Or is it optimized somehow. The question is if
> its simplified for the tutorial and inefficient or this is the right
> way to do it?
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