Github user dongjoon-hyun commented on a diff in the pull request: https://github.com/apache/spark/pull/19124#discussion_r136878102 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/orc/OrcFileFormat.scala --- @@ -169,6 +171,16 @@ class OrcFileFormat extends FileFormat with DataSourceRegister with Serializable } } } + + private def checkFieldName(name: String): Unit = { + // ,;{}()\n\t= and space are special characters in ORC schema --- End diff -- Thank you for review, @tejasapatil ! That's a good idea. Right, It's not an exhaustive list. I'll update the PR.
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