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https://issues.apache.org/jira/browse/KYLIN-1698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15295515#comment-15295515
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Shaofeng SHI commented on KYLIN-1698:
-------------------------------------

In my opinion this is an ETL issue. Converting milli-second to a Date isn't a 
difficult thing, why not do that when saving to Hive?

User may have many ways to represent a date: milli second, second, minute, 
hour, day, string, or separating day/month/year in multiple columns, etc; 
Converting them to a standard format like DATE/Timestamp is the recommended 
way; otherwise it will be Kylin's burden to handle various cases.

> Allow bigint(long) as a date partition column
> ---------------------------------------------
>
>                 Key: KYLIN-1698
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1698
>             Project: Kylin
>          Issue Type: Improvement
>    Affects Versions: v1.5.1
>            Reporter: guohuili
>
> In many cases, hive tables may use long / bigint as date column. Currently 
> Kylin only support 'yyyy-MM-dd' or 'yyyyMMdd' as date format. This jira is to 
> support long / bigint format.



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