copperybean commented on a change in pull request #32601:
URL: https://github.com/apache/spark/pull/32601#discussion_r638609436
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/intervalExpressions.scala
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@@ -345,6 +345,109 @@ case class MakeInterval(
)
}
+// scalastyle:off line.size.limit
+@ExpressionDescription(
+ usage = "_FUNC_(days, hours, mins, secs) - Make DayTimeIntervalType duration
from days, hours, mins and secs.",
+ arguments = """
+ Arguments:
+ * days - the number of days, positive or negative
+ * hours - the number of hours, positive or negative
+ * mins - the number of minutes, positive or negative
+ * secs - the number of seconds with the fractional part in microsecond
precision.
+ """,
+ examples = """
+ Examples:
+ > SELECT _FUNC_(1, 12, 30, 01.001001);
+ 1 12:30:01.001001000
+ > SELECT _FUNC_(100, null, 3);
+ NULL
+ """,
+ since = "3.2.0",
+ group = "datetime_funcs")
+// scalastyle:on line.size.limit
+case class MakeDuration(
Review comment:
Well, I think the name "Duration" also keeps consistency with [Java
Duration](https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html),
which is more comprehensive by common users.
By the way, it's not easy to associate the abbreviation of "DT" with "Day
Time" for common users.
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