I'm sorry if this have been discussed before.
I have table A, which have foreign key foo to model B.
When I query B related set trough B.a_set.all().
When I iterate over b_instance.a_set.all() and access foo member,
Django doesn't hesitate to make database query to retrieve B again and
again. Sometimes I can override it setting foo = b_instance manually
and then calling methods on foo, but that's not always possible.
Using a_set.selected_related('foo') is overkill for a database too.
Any comments?
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