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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-313) add UDF date_add, date_sub, datediff
Date Thu, 12 Mar 2009 06:32:50 GMT

     [ https://issues.apache.org/jira/browse/HIVE-313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zheng Shao updated HIVE-313:
----------------------------

    Attachment: HIVE-313.2.patch

Incorporated comments from Raghu. All dates are parsed as UTC now to avoid daylight saving
problem.

I didn't put the data to the table though - we have been doing testing with constants for
almost all UDFs till now. And these UDF functions are simple enough so I don't see much difference
between testing with constants and with data from table.


> add UDF date_add, date_sub, datediff
> ------------------------------------
>
>                 Key: HIVE-313
>                 URL: https://issues.apache.org/jira/browse/HIVE-313
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Zheng Shao
>         Attachments: HIVE-313.1.patch, HIVE-313.2.patch
>
>
> See http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_date-add
> See http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_date-sub
> See http://dev.mysql.com/doc/refman/5.1/en/date-and-time-functions.html#function_datediff

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