当调用tst 时,为何以下变量(A、B、C、D)没有变化?
A,B,C = 0,0,0
D = 0
def tst():
A,B,C = 1,2,3
D = 4
print(A,B,C,D)
tst() # tst is called
print(A,B,C,D)
Output:
(1, 2, 3, 4)
(0, 0, 0, 0)
Can Django models use MySQL functions?
Is there a way to force Django models to pass a field to a MySQL function every time the model data is read or loaded? To clarify what I mean in SQL, I want the Django model to produce something like ...