Github user cloud-fan commented on the issue:
https://github.com/apache/spark/pull/23239
Yes it is. `UnsafeProjection` always normalize NaN and -0.0, and Spark uses
`UnsafeProjection` to produce output. So users can't distinguish them.--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
