[jira] [Assigned] (HIVE-25950) unix_timestamp returns NULL for incomplete date

["Rishikesh Mohanty (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-25950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rishikesh Mohanty reassigned HIVE-25950:
----------------------------------------

    Assignee: Rishikesh Mohanty

> unix_timestamp returns NULL for incomplete date
> -----------------------------------------------
>
>                 Key: HIVE-25950
>                 URL: https://issues.apache.org/jira/browse/HIVE-25950
>             Project: Hive
>          Issue Type: Bug
>          Components: Clients, UDF
>    Affects Versions: 3.1.0
>            Reporter: roxxette
>            Assignee: Rishikesh Mohanty
>            Priority: Minor
>              Labels: timestamp
>
> select from_unixtime(unix_timestamp('202202', 'yyyyMM'), 'yyyyMMdd');
> returns 20220201 in HDI3.6(Hive1.2.1)
> returns NULL in HDI4.0(Hive3.1.0)
>  
> Turns out Hive 1.2.1 has default value for year(1970), month(01), day(01).
> And Hive 3.1.0 doesn't.
>  
> So in Hive 3.1.0 we have to parse a date with all 3 parts(y/m/d), otherwise it'll fail.



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