SemanticBeeng
/ TypeSafeDataFrame_full.scala
Created
February 8, 2022 17:45
— forked from izeigerman/TypeSafeDataFrame_full.scala
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| import org.apache.spark.sql.{Column, DataFrame, SparkSession} | |
| import org.apache.spark.sql.functions.broadcast | |
| import shapeless.ops.hlist.Prepend | |
| import shapeless.{::, HList, HNil} | |
| object flow { | |
| type JoinList = HList | |
| case class AnnotatedDataFrame[D, J <: JoinList](toDF: DataFrame) extends Serializable |
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