I have a Model like below
class XXX(db.Model):
f_list = db.ListProperty(int,indexed=True) #Store 50000 numbers
How to access the 3rd item in f_list?
Access an item in ListProperty
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You would use a standard list indexing operation to access the 3rd item in the list
However the entire entity will be loaded into memory when you fetch an instance of XXX
There is no way around it with the model you have.
Even a projection query will return the entire list.
The only possibility would be to start creating multiple sub entities.