Github user HyukjinKwon commented on the issue:
https://github.com/apache/spark/pull/20163
Wait .. Isn't this because we failed to call `toInternal` by the return
type? Please give me few days .. will double check tonight.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
