Ok after work time: come and join me for a very very brief look at starting to update the SQL/DataFrame/Dataset chapter for High Performance Spark 2e -- www.youtube.com/watch?v=Q-8x...www.twitch.tv/holdenkarau :)

Super Mini: Looking at custom expressions for the SQL Chapter :)

https://www.oreilly.com/library/view/high-performance-spark/9781098145842/