Github user huaxingao commented on the issue:
https://github.com/apache/spark/pull/21050
@ueshin @kiszk Thanks for your comments. I fixed the problems.
I am not sure if I should use ```$i++ ``` or ```$i ++``` in the for loop.
It seems other people use ```$i ++```, so I also used ```$i ++```--- --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
