[jira] [Updated] (SPARK-8194) date/time function: add_months

["Reynold Xin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-8194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-8194:
-------------------------------
    Summary: date/time function: add_months  (was: add_months function)

> date/time function: add_months
> ------------------------------
>
>                 Key: SPARK-8194
>                 URL: https://issues.apache.org/jira/browse/SPARK-8194
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Reynold Xin
>
> add_months(string start_date, int num_months): string
> add_months(date start_date, int num_months): date
> Returns the date that is num_months after start_date. The time part of start_date is ignored. If start_date is the last day of the month or if the resulting month has fewer days than the day component of start_date, then the result is the last day of the resulting month. Otherwise, the result has the same day component as start_date.



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