Github user mgaido91 commented on a diff in the pull request: https://github.com/apache/spark/pull/20649#discussion_r170256000 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/types/StructType.scala --- @@ -271,7 +271,9 @@ case class StructType(fields: Array[StructField]) extends DataType with Seq[Stru */ def apply(name: String): StructField = { nameToField.getOrElse(name, - throw new IllegalArgumentException(s"""Field "$name" does not exist.""")) + throw new IllegalArgumentException( + s"""Field "$name" does not exist. + |Available fields: ${fieldNamesSet.mkString(",")}""".stripMargin)) --- End diff -- nit: can we add a space after the comma? I think it can help readability
--- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org