You can't specify target table 'UpdateInfo' for update in FROM clause

Mysql update语句赋值嵌套select语句：

update UpdateInfo set Numofupdate=Numofupdate+1 where Id=(select MAX(Id) from UpdateInfo)

结果出现错误：

You can't specify target table 'UpdateInfo' for update in FROM clause

这个错误只有在mysql数据库中才会出现，意思是：在同一语句中，不能先select出同一表，再直接update这个表。

可以将SELECT出的结果再通过中间表SELECT一遍来进行解决：

update UpdateInfo set Numofupdate=Numofupdate+1 where Id=(select * from (select MAX(Id) from UpdateInfo) as b)

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