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From "Brock Noland (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6107) Introduce nvl2 UDF similar to Oracle
Date Fri, 27 Dec 2013 20:57:50 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13857724#comment-13857724
] 

Brock Noland commented on HIVE-6107:
------------------------------------

Considering the on-going patent discussions with teradata I think we should do or due diligence
on this one before adding it.

> Introduce nvl2 UDF similar to Oracle
> ------------------------------------
>
>                 Key: HIVE-6107
>                 URL: https://issues.apache.org/jira/browse/HIVE-6107
>             Project: Hive
>          Issue Type: New Feature
>          Components: UDF
>            Reporter: Kostiantyn Kudriavtsev
>            Priority: Minor
>         Attachments: hive-6107.patch
>
>
> Introduce new UDF:
> nvl2 : extends the functionality found in the NVL function. It lets you substitutes a
value when a null value is encountered as well as when a non-null value is encountered.
> NVL2( string1, value_if_NOT_null, value_if_null )



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