gengliangwang commented on a change in pull request #25300: [SPARK-28503][SQL] Return null result on cast an out-of-range value to a integral type URL: https://github.com/apache/spark/pull/25300#discussion_r309037729
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala ########## @@ -456,9 +474,52 @@ case class Cast(child: Expression, dataType: DataType, timeZoneId: Option[String case DateType => buildCast[Int](_, d => null) case TimestampType => - buildCast[Long](_, t => timestampToLong(t).toInt) - case x: NumericType => - b => x.numeric.asInstanceOf[Numeric[Any]].toInt(b) + buildCast[Long](_, t => { + val longValue = timestampToLong(t) + if (longValue == longValue.toInt) { Review comment: Do you mean: is it possible that`longValue == longValue.toInt` when longValue can't fit into `Int`? The `longValue` is long type, so it is impossible. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org