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Да и при чем тут join'ы?
Size: a a a
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A
transaction.objects.annotate(buyer=F('user__username')).annotate(seller=F('product__user__username'))AF
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def to_representation(self, instance):
representation = super().to_representation(instance)
representation['admin'] = True
return representationAF
def to_representation(self, instance):
representation = super().to_representation(instance)
representation['admin'] = True
return representationН
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patient on serializer HealthGoalSerializer.list instance.AF
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AF
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nt
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