Github user HyukjinKwon commented on the issue:
https://github.com/apache/spark/pull/19448
I did this as I was confident if it is a bug because doc says it should
work but actually not, without breaking the previous support.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
