There's no reason to suffer through all the aggregations when DataFrames are becoming more and more prevalent. At least point out that the DataFrame version is available, and have attendees experiment with it -- even if it's before we had a chance to teach SparkSQL.
There's no reason to suffer through all the aggregations when DataFrames are becoming more and more prevalent. At least point out that the DataFrame version is available, and have attendees experiment with it -- even if it's before we had a chance to teach SparkSQL.