Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/7870#discussion_r36056616
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/DateTimeUtils.scala
---
@@ -494,44 +494,54 @@ object DateTimeUtils {
}
/**
- * Returns the month value for the given date. The date is expressed in
days
- * since 1.1.1970. January is month 1.
+ * Split date (expressed in days since 1.1.1970) into four fields:
+ * year, month (Jan is Month 1), dayInMonth, daysToMonthEnd (0 if it's
last day of month).
*/
- def getMonth(date: Int): Int = {
+ def splitDate(date: Int): (Int, Int, Int, Int) = {
--- End diff --
Could you also post a benchmark to compare with using java.util.Date? Just
want to make sure we're doing the right things, also address the concern from
@srowen , thanks!
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