bio.ferlab.datalake.spark3.transformation.DuplicateColumn.scala Maven / Gradle / Ivy

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Library built on top of Apache Spark to speed-up data lakes development..

There is a newer version: 14.8.0

package bio.ferlab.datalake.spark3.transformation

import org.apache.spark.sql.DataFrame
import org.apache.spark.sql.functions.col

case class DuplicateColumn(source: String, destination: String) extends Transformation {
  override def transform: DataFrame => DataFrame = {df =>
    df.withColumn(destination, col(source))
  }
}