[GitHub] viirya edited a comment on issue #21732: [SPARK-24762][SQL] Enable Option of Product encoders

[GitBox <gi...@apache.org>]

viirya edited a comment on issue #21732: [SPARK-24762][SQL] Enable Option of Product encoders
URL: https://github.com/apache/spark/pull/21732#issuecomment-450162483
 
 
   Thanks for @cloud-fan's explanation. So I think @HyukjinKwon you mean why we interpret `Option[Product]` like `Some((1, "a")), Some((2, "b"))` as `Tuple2`.
   
   For the following
   ```
   Seq(Some((1, "a")), Some((2, "b"))).toDF.show()
   Seq((1, "a"), (2, "b")).toDF.show()
   ```
   
   we can't produce the same result since top-level null row is not allowed in Spark.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: reviews-unsubscribe@spark.apache.org
For additional commands, e-mail: reviews-help@spark.apache.org