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
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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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