Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/17527#discussion_r110317695
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/rules.scala
---
@@ -222,7 +225,7 @@ case class PreprocessTableCreation(sparkSession:
SparkSession) extends Rule[Logi
val columnNames = if
(sparkSession.sessionState.conf.caseSensitiveAnalysis) {
schema.map(_.name)
} else {
- schema.map(_.name.toLowerCase)
+ schema.map(_.name.toLowerCase(Locale.ROOT))
--- End diff --
Maybe, it is not good to point the similar instances all but let me just
point this out as the change looks big. This maybe the similar instances with
https://github.com/apache/spark/pull/17527/files#r110317272.
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