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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2019/05/21 12:00:01 UTC

[jira] [Commented] (SPARK-27790) Support SQL INTERVAL types

    [ https://issues.apache.org/jira/browse/SPARK-27790?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16844760#comment-16844760 ] 

Maxim Gekk commented on SPARK-27790:
------------------------------------

I am working on it.

> Support SQL INTERVAL types
> --------------------------
>
>                 Key: SPARK-27790
>                 URL: https://issues.apache.org/jira/browse/SPARK-27790
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 2.4.3
>            Reporter: Maxim Gekk
>            Priority: Major
>
> SQL standard defines 2 interval types:
> # year-month interval contains a YEAR field or a MONTH field or both
> # day-time interval contains DAY, HOUR, MINUTE, and SECOND (possibly fraction of seconds)
> Need to add 2 new internal types YearMonthIntervalType and DayTimeIntervalType, support operations defined by SQL standard as well as INTERVAL literals.
> The java.time.Period and java.time.Duration can be supported as external type for earMonthIntervalType and DayTimeIntervalType.



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