Message in Chinese (Simplified) (中文(简体))
        不允许将伪列作为 UNPIVOT 运算符的值或透视列。
Unlocalized message
        Pseudocolumns are not allowed as value or pivot columns of an UNPIVOT operator.
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不允许将伪列作为 UNPIVOT 运算符的值或透视列。

Pseudocolumns are not allowed as value or pivot columns of an UNPIVOT operator.
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