[GitHub] [spark] johnhany97 commented on a change in pull request #26864: [SPARK-30236][SQL][DOCS] Clarify date and time patterns supported in docs

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johnhany97 commented on a change in pull request #26864: [SPARK-30236][SQL][DOCS] Clarify date and time patterns supported in docs
URL: https://github.com/apache/spark/pull/26864#discussion_r357869513
 
 

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 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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 @@ -596,6 +596,12 @@ case class WeekOfYear(child: Expression) extends UnaryExpression with ImplicitCa
 // scalastyle:off line.size.limit
 @ExpressionDescription(
   usage = "_FUNC_(timestamp, fmt) - Converts `timestamp` to a value of string in the format specified by the date format `fmt`.",
+  arguments = """
+    Arguments:
+      * timestamp - A date/timestamp or string to be converted to the given format. Default value is current time
 
 Review comment:
   Added by mistake.

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