Questions related to the db.Model-derived class shown below.
1) Would the "not_stored" member variable hurt efficiency of storage
in any way? Its purpose is for temporary work, and it is of course
not persisted to storage. Would its presence slow down storage or
retrieval at all?
2) Would the mere presence of "update_score" member function hurt
efficiency?
Having no clue as to how the underlying implementation works, it's
hard for me to judge. Thanks in advance!
class MyModel(db.Model):
a = db.IntegerProperty()
b = db.IntegerProperty()
score = db.IntegerProperty()
not_stored = 0
def update_score(self):
self.score = self.a + self.b
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