MaxGekk commented on a change in pull request #26337: [SPARK-29679][SQL] Make
interval type comparable and orderable
URL: https://github.com/apache/spark/pull/26337#discussion_r342384601
##########
File path:
common/unsafe/src/main/java/org/apache/spark/unsafe/types/CalendarInterval.java
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@@ -78,6 +81,27 @@ public int hashCode() {
return Objects.hash(months, days, microseconds);
}
+ @Override
+ public int compare(CalendarInterval that) {
+ long thisAdjustDays = this.microseconds / MICROS_PER_DAY + this.days +
this.months * 30;
Review comment:
Only 31 days per months is used at the moment, see
https://github.com/apache/spark/blob/a4382f7fe1c36a51c64f460c6cb91e93470e0825/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/IntervalUtils.scala#L333-L343
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