Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/6986#discussion_r35607203
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/functions.scala ---
@@ -2392,6 +2399,13 @@ object functions {
def minute(columnName: String): Column = minute(Column(columnName))
/**
+ * Returns the first date which is later than given date sd and named as
dow.
+ * @group datetime_funcs
+ * @since 1.5.0
+ */
+ def next_day(sd: Column, dow: Column): Column = NextDay(sd.expr,
dow.expr)
--- End diff --
@rxin Hive does support using a non literal for second column here, shall
we also support that?
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