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From "Apache Spark (JIRA)" <>
Subject [jira] [Assigned] (SPARK-8198) date/time function: months_between
Date Wed, 24 Jun 2015 13:14:06 GMT


Apache Spark reassigned SPARK-8198:

    Assignee: Apache Spark

> date/time function: months_between
> ----------------------------------
>                 Key: SPARK-8198
>                 URL:
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>            Assignee: Apache Spark
> months_between(date1, date2): double
> Returns number of months between dates date1 and date2 (as of Hive 1.2.0). If date1 is
later than date2, then the result is positive. If date1 is earlier than date2, then the result
is negative. If date1 and date2 are either the same days of the month or both last days of
months, then the result is always an integer. Otherwise the UDF calculates the fractional
portion of the result based on a 31-day month and considers the difference in time components
date1 and date2. date1 and date2 type can be date, timestamp or string in the format 'yyyy-MM-dd'
or 'yyyy-MM-dd HH:mm:ss'. The result is rounded to 8 decimal places. Example: months_between('1997-02-28
10:30:00', '1996-10-30') = 3.94959677

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