Summing a list of columns into one column - Apache Spark SQL
Wed Aug 04 2021 09:11:31 GMT+0000 (Coordinated Universal Time)
Saved by @Zyglak #scala #spark
https://stackoverflow.com/questions/37624699/adding-a-column-of-rowsums-across-a-list-of-columns-in-spark-dataframe
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