[GitHub] [spark] cloud-fan commented on a change in pull request #28692: [SPARK-31879][SQL] Using GB as default Locale for datetime formatters

[GitBox <gi...@apache.org>]

cloud-fan commented on a change in pull request #28692:
URL: https://github.com/apache/spark/pull/28692#discussion_r433205399



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateFormatter.scala
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@@ -117,7 +117,16 @@ class LegacySimpleDateFormatter(pattern: String, locale: Locale) extends LegacyD
 object DateFormatter {
   import LegacyDateFormats._
 
-  val defaultLocale: Locale = Locale.US
+  /**
+   * This is change from Locale.US to GB, because:
+   * The first day-of-week varies by culture.
+   * For example, the US uses Sunday, while the United Kingdom and the ISO-8601 standard use Monday.

Review comment:
       is this the only difference between US and en-GB?




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