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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/22 18:43:45 UTC

[GitHub] MaxGekk commented on a change in pull request #23373: [SPARK-14023][CORE] Don't reference 'field' in StructField errors for clarity in exceptions

MaxGekk commented on a change in pull request #23373: [SPARK-14023][CORE] Don't reference 'field' in StructField errors for clarity in exceptions
URL: https://github.com/apache/spark/pull/23373#discussion_r243743473
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/types/StructType.scala
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 @@ -286,8 +285,8 @@ case class StructType(fields: Array[StructField]) extends DataType with Seq[Stru
     val nonExistFields = names -- fieldNamesSet
     if (nonExistFields.nonEmpty) {
       throw new IllegalArgumentException(
-        s"""Nonexistent field(s): ${nonExistFields.mkString(", ")}.
-           |Available fields: ${fieldNames.mkString(", ")}""".stripMargin)
+        s"""${nonExistFields.mkString(", ")} do not exist.
 
 Review comment:
   `nonExistFields` can contain only one element, right? Maybe `do`/`does`?

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