robreeves commented on code in PR #50269:
URL: https://github.com/apache/spark/pull/50269#discussion_r2033737776


##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/timeExpressions.scala:
##########
@@ -290,3 +290,45 @@ object HourExpressionBuilder extends ExpressionBuilder {
     }
   }
 }
+
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+  usage = "_FUNC_(hour, minute, second) - Create time from hour, minute and 
second fields. For invalid inputs it will throw an error.",
+  arguments = """
+    Arguments:
+      * hour - the hour to represent, from 0 to 23
+      * minute - the minute to represent, from 0 to 59
+      * second - the second to represent, from 0 to 59.999999
+  """,
+  examples = """
+    Examples:
+      > SELECT _FUNC_(6, 30, 45.887);
+       06:30:45.887
+      > SELECT _FUNC_(NULL, 30, 0);
+       NULL
+  """,
+  group = "datetime_funcs",
+  since = "4.1.0")
+// scalastyle:on line.size.limit
+case class MakeTime(
+    hours: Expression,
+    minutes: Expression,
+    secsAndMicros: Expression)
+  extends RuntimeReplaceable with ExpectsInputTypes {

Review Comment:
   Fixed:
   ```scala
   scala> spark.sql("select make_time(6, 30, 45.887)").first
   val res0: org.apache.spark.sql.Row = [06:30:45.887]
   ```



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