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

Show more of this group Show more artifacts with this name
Show all versions of datalake-spark3_2.12 Show documentation

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.types.StringType

case class ToString(columns: String*) extends Transformation {
  override def transform: DataFrame => DataFrame = Cast(StringType, columns:_*).transform
}