Github user HyukjinKwon commented on a diff in the pull request:
https://github.com/apache/spark/pull/19672#discussion_r149302867
--- Diff: python/pyspark/sql/functions.py ---
@@ -869,6 +869,19 @@ def month(col):
return Column(sc._jvm.functions.month(_to_java_column(col)))
+@since(2.3)
+def dayofweek(col):
+ """
+ Extract the day of the week of a given date as integer.
--- End diff --
Let's match the doc with Scala one BTW.
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