Hi Erik,
Thanks for the solution.
So, I understand we get all instances of B which are max (date created) or
latest (date created) for each instance of A and then we check b.text ==
'ABCD' and select the corresponding instance of A.
Can't we add additional filter to check if text='ABCD' instead of running
it through the for loop? I am still yet to catch up with all the concepts
of Django ORM hence, not sure about it.
Also, if we use Max('a__b__date_created') , do we need the following
condition still in the for loop? :
if b.date_created != b.date_created__max:
continue
Thanks.
On Tuesday, August 30, 2016 at 3:03:44 PM UTC+5:30, Erik Cederstrand wrote:
>
> > for b in
> B.objects.all().select_related('a').annotate(Max('date_created')):
>
> That should probably be: Max('a__b__date_created') instead.
>
> Erik
>
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