dongjoon-hyun commented on a change in pull request #28956:
URL: https://github.com/apache/spark/pull/28956#discussion_r448110859
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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@@ -408,19 +407,66 @@ abstract class NumberToTimestampBase extends
UnaryExpression
}
}
+// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(seconds) - Creates timestamp from the number of seconds
since UTC epoch.",
+ usage = "_FUNC_(seconds) - Creates timestamp from the number of seconds (can
be fractional) since UTC epoch.",
examples = """
Examples:
> SELECT _FUNC_(1230219000);
2008-12-25 07:30:00
+ > SELECT _FUNC_(1230219000.123);
+ 2008-12-25 07:30:00.123
""",
group = "datetime_funcs",
since = "3.1.0")
-case class SecondsToTimestamp(child: Expression)
- extends NumberToTimestampBase {
+// scalastyle:on line.size.limit
+case class SecondsToTimestamp(child: Expression) extends UnaryExpression
+ with ExpectsInputTypes with NullIntolerant{
Review comment:
nit: `NullIntolerant{` -> `NullIntolerant {`.
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