val s1 = buffer1.getAs[Int](0).toString()
val s2 = buffer2.getAs[Int](0).toString()
buffer1(0) = s1.concat(s2)
}
And the result is what I am expecting as attached file.
Thanks&Best regards!
San.Luo
- 原始邮件 -
发件人：Pedro Rodriguez
收件人：luohui20...@sina.com
抄送人：user
I am not sure I understand your code entirely, but I worked with UDAFs
Friday and over the weekend (
https://gist.github.com/EntilZha/3951769a011389fef25e930258c20a2a).
I think what is going on is that your "update" function is not defined
correctly. Update should take a possibly initialized or in
