https://databricks.com/blog/2016/02/09/reshaping-data-with-pivot-in-apache-spark.html
Anton Kravchenko <kravchenko.anto...@gmail.com> schrieb am Do., 8. Dez. 2016 um 17:53 Uhr: > Hello, > > I wonder if there is a way (preferably efficient) in Spark to reshape hive > table and save it to parquet. > > Here is a minimal example, input hive table: > col1 col2 col3 > 1 2 3 > 4 5 6 > > output parquet: > col1 newcol2 > 1 [2 3] > 4 [5 6] > > p.s. The real input hive table has ~1000 columns. > > Thank you, > Anton >
