How to get objects out of a distinct() in Django?

I wonder if this query can be modified to return User objects instead of just merchant_id (User).

(User.objects.get(id=merc开发者_开发百科hant['merchant_id']) for merchant in self.user.visits.values('merchant_id').distinct())

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You are creating 1 DB query for each User (which is a Merchant?) lookup. Need to brush up on my django ORM but I would do something like:

User.objects.filter(id__in=[ merchant['merchant_id'] for merchant in self.user.visits.values('merchant_id').distinct() ])

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How does this sound?

merchants_visited = self.user.visits.merchants.all().distinct()
return User.objects.filter(visits__merchants__in=merchants_visited, profile=self)