MaxGekk commented on a change in pull request #28443:
URL: https://github.com/apache/spark/pull/28443#discussion_r419162505
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
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@@ -205,6 +205,29 @@ object DateTimeUtils {
(day.toInt, MICROSECONDS.toNanos(micros))
}
+ /**
+ *Returns Gregorian days since epoch
+ */
+ def toGregorianDays(
+ year: Int,
+ month: Byte = 1,
+ day: Byte = 1,
+ hour: Byte = 0,
+ minute: Byte = 0,
+ sec: Byte = 0): SQLDate = {
+ val calendar = new GregorianCalendar(year, month - 1, day, hour, minute,
sec)
Review comment:
it is not pure Gregorian calendar. For 1000-02-29, it is Julian
calendar.
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