Message in Chinese (Simplified) (中文(简体))![](/img/flags/zh-Hans.png)
投影上不支持无参数的聚合运算符“<var>X</var>”。
Unlocalized message![](/img/flags/en.png)
Parameterless aggregate operator '<var>X</var>' is not supported over projections.
Search by Google投影上不支持无参数的聚合运算符“<var>X</var>”。
Parameterless aggregate operator '<var>X</var>' is not supported over projections.
Search by Google