Updated: How to span multile tables in Django for a backwards relationship

The Django documentation gives en ex开发者_Go百科ample like so:

b = Blog.objects.get(id=1)
b.entry_set.all()

Which from what I understand results in 2 queries. What if I wanted to get the blog, the blog entries and all the comments associated with that entry in a number of queries that does not depend on the number of entries? Or do I have to drop down to SQL to do that?

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Blog.objects.select_related(...).get(id=1)

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Seems that Django at this point does not support this feature.