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PLS-00522: MAP methods must return a scalar type.

PLS-00522: MAP methods must return a scalar type.
Cause: The MAP member function was written such that it returns something other than a scalar type.
Action: Rewrite the MAP function such that it returns a scalar type.

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1 个回答

小智
PLS-00522:MAP方法必须返回标量类型。,
.原因: MAP成员函数被写入,使得它返回除了标量类型之外的东西。,
.操作:重写MAP函数,使其返回标量类型。,
.
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