Hi there, I was looking into why the UNPIVOT feature isn't implemented, given that Spark already has PIVOT implemented natively in the DataFrame/Dataset API.
Came across this JIRA <https://issues.apache.org/jira/browse/SPARK-8992> which talks about implementing PIVOT in Spark 1.6, but no mention whatsoever regarding UNPIVOT, even though the JIRA curiously references a blog post that talks about both PIVOT and UNPIVOT :) Is this because UNPIVOT is just simply generating multiple slim tables by selecting each column, and making a union out of all of them? Thank you! -- Regards, Ivan Gozali Lecida Email: i...@lecida.com
