Github user rdblue commented on the issue:
https://github.com/apache/spark/pull/19861
@jiangxb1987, I understand what this does. I just wanted an example use
case where it was necessary. What was the motivating *use case*?--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
