未捕获的SyntaxError：无效或意外的令牌错误

Question

请告诉我这行代码有什么问题。我不断在这一行上得到意外的令牌ILLEGAL错误。

SELECT userid, createdat, displaydate
FROM 
     ( SELECT ROW_NUMBER() OVER 
         (PARTITION BY userid ORDER BY createdat) as r, 
          t.* FROM data t) x 
WHERE x.r <=100