cloud-fan commented on a change in pull request #28856: URL: https://github.com/apache/spark/pull/28856#discussion_r443394825
########## File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/collectionOperations.scala ########## @@ -2623,8 +2623,16 @@ object Sequence { // about a month length in days and a day length in microseconds val intervalStepInMicros = stepMicros + stepMonths * microsPerMonth + stepDays * microsPerDay - val startMicros: Long = num.toLong(start) * scale - val stopMicros: Long = num.toLong(stop) * scale + + // Date to timestamp is not equal from GMT and Chicago timezones + val (startMicros, stopMicros) = if (scale == 1) { + (num.toLong(start), num.toLong(stop)) + } + else { + (daysToMicros(num.toInt(start), zoneId), + daysToMicros(num.toInt(stop), zoneId)) Review comment: can you explain a bit more? It's hard to understand this change without any comment. ---------------------------------------------------------------- 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 --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org