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For example..
class Example(Document):
up = IntField()
down = IntField()
and.. I want to retrieve documents whose up field is greater or equal to down.
But.. this is issue.
My wrong query code would be..
Example.objects(up__gte=down)
How can I use a field that resides in mongodb not python code as a queryset value?
Simple answer: not possible. Something like WHERE A = B in SQL is not doable in an efficient way in MongoDB (apart from using the $where clause which should be avoided).