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Posted to issues@spark.apache.org by "Dongjoon Hyun (JIRA)" <ji...@apache.org> on 2019/07/16 16:42:15 UTC

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

     [ https://issues.apache.org/jira/browse/SPARK-27790?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-27790:
----------------------------------
    Affects Version/s:     (was: 2.4.3)
                       3.0.0

> 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: 3.0.0
>            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 YearMonthIntervalType and DayTimeIntervalType.



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