[GitHub] [spark] MaxGekk commented on a change in pull request #26132: [SPARK-29387][SQL] Support `*` and `/` operators for intervals

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MaxGekk commented on a change in pull request #26132: [SPARK-29387][SQL] Support `*` and `/` operators for intervals
URL: https://github.com/apache/spark/pull/26132#discussion_r336098564
 
 

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 File path: common/unsafe/src/main/java/org/apache/spark/unsafe/types/CalendarInterval.java
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 @@ -355,6 +355,18 @@ public CalendarInterval subtract(CalendarInterval that) {
     return new CalendarInterval(months, microseconds);
   }
 
+  public CalendarInterval multiply(double num) {
+    int months = Math.toIntExact((long)(num * this.months));
 
 Review comment:
   I will check what it does.

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