Re: [Spark SQL] How to select first row in each GROUP BY group?

[Michael Armbrust]

>
> In our case, the ROW has about 80 columns which exceeds the case class
> limit.​
>
Starting with Spark 1.1 you'll be able to also use the applySchema API
<https://github.com/apache/spark/blob/master/sql/core/src/main/scala/org/apache/spark/sql/SQLContext.scala#L126>
.