Github user ueshin commented on a diff in the pull request: https://github.com/apache/spark/pull/21008#discussion_r182625943 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala --- @@ -870,24 +870,14 @@ object DateTimeUtils { * If time1 and time2 having the same day of month, or both are the last day of month, * it returns an integer (time under a day will be ignored). * - * Otherwise, the difference is calculated based on 31 days per month, and rounding to - * 8 digits. + * Otherwise, the difference is calculated based on 31 days per month. + * If `roundOff` is set to true, the result is rounded to 8 decimal places. */ - def monthsBetween(time1: SQLTimestamp, time2: SQLTimestamp): Double = { --- End diff -- Can we remove this?
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