yaooqinn commented on a change in pull request #28727:
URL: https://github.com/apache/spark/pull/28727#discussion_r435233117
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeFormatterHelper.scala
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@@ -155,7 +157,22 @@ trait DateTimeFormatterHelper {
}
}
-private object DateTimeFormatterHelper {
+private[spark] object DateTimeFormatterHelper {
+ val defaultLocale = Locale.US
+
+ def presetSundayStartToMondayStart(): Unit = {
+ val CACHE: Field = classOf[WeekFields].getDeclaredField("CACHE")
Review comment:
Only for those trying to use the original value of `SUNDAY FISRT and 1
mininalDay`. This seems not to be a good way though.
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