[GitHub] [spark] gatorsmile commented on a change in pull request #25210: [SPARK-28432][SQL] Add `make_date` function

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

gatorsmile commented on a change in pull request #25210: [SPARK-28432][SQL] Add `make_date` function
URL: https://github.com/apache/spark/pull/25210#discussion_r305635776
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
 ##########
 @@ -1605,3 +1605,49 @@ private case class GetTimestamp(
   override def withTimeZone(timeZoneId: String): TimeZoneAwareExpression =
     copy(timeZoneId = Option(timeZoneId))
 }
+
+@ExpressionDescription(
+  usage = "_FUNC_(year, month, day) - Create date from year, month and day fields.",
+  arguments = """
+    Arguments:
+      * year - the year to represent, from 1 to 9999
+      * month - the month-of-year to represent, from 1 (January) to 12 (December)
+      * day - the day-of-month to represent, from 1 to 31
+  """,
+  examples = """
+    Examples:
+      > SELECT _FUNC_(2013, 7, 15);
+       2013-07-15
 
 Review comment:
   Also give an example in which the inputs are invalid?

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