Github user ueshin commented on a diff in the pull request:
https://github.com/apache/spark/pull/19672#discussion_r149275610
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -2550,6 +2550,13 @@ object functions {
* @group datetime_funcs
* @since 1.5.0
*/
+ def dayofweek(e: Column): Column = withExpr { DayOfWeek(e.expr) }
+
+ /**
+ * Extracts the day of the month as an integer from a given
date/timestamp/string.
+ * @group datetime_funcs
+ * @since 2.3.0
--- End diff --
Revert back to `1.5.0` here and modify `@since` to `2.3.0` in the doc for
`dayofweek`.
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