Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/20163
The current behavior looks weird, we should either throw exception and ask
users to give a corrected return type or fix it via proposal 2.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
