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From "Takeshi Yamamuro (Jira)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-29390) Add the justify_days(), justify_hours() and justify_interval() functions
Date Sun, 29 Dec 2019 00:50:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-29390?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Takeshi Yamamuro updated SPARK-29390:
-------------------------------------
    Parent Issue: SPARK-30375  (was: SPARK-27764)

> Add  the justify_days(),  justify_hours() and  justify_interval() functions
> ---------------------------------------------------------------------------
>
>                 Key: SPARK-29390
>                 URL: https://issues.apache.org/jira/browse/SPARK-29390
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Maxim Gekk
>            Assignee: Kent Yao
>            Priority: Major
>             Fix For: 3.0.0
>
>
> See *Table 9.31. Date/Time Functions* ([https://www.postgresql.org/docs/12/functions-datetime.html)]
> |{{justify_days(}}{{interval}}{{)}}|{{interval}}|Adjust interval so 30-day time periods
are represented as months|{{justify_days(interval '35 days')}}|{{1 mon 5 days}}|
> | {{justify_hours(}}{{interval}}{{)}}|{{interval}}|Adjust interval so 24-hour time periods
are represented as days|{{justify_hours(interval '27 hours')}}|{{1 day 03:00:00}}|
> | {{justify_interval(}}{{interval}}{{)}}|{{interval}}|Adjust interval using {{justify_days}}
and {{justify_hours}}, with additional sign adjustments|{{justify_interval(interval '1 mon
-1 hour')}}|{{29 days 23:00:00}}|



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