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From "Zoltan Haindrich (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13555) Add nullif udf
Date Wed, 07 Sep 2016 20:25:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15471691#comment-15471691
] 

Zoltan Haindrich commented on HIVE-13555:
-----------------------------------------

[~leftylev] should I add this..or it will be added later - when 2.2.0 is launched?

> Add nullif udf
> --------------
>
>                 Key: HIVE-13555
>                 URL: https://issues.apache.org/jira/browse/HIVE-13555
>             Project: Hive
>          Issue Type: Sub-task
>          Components: UDF
>            Reporter: Ashutosh Chauhan
>            Assignee: Zoltan Haindrich
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-13555.1.patch, HIVE-13555.2.patch, HIVE-13555.2.patch
>
>
> {{nullif(exp1, exp2)}} is shorthand for: {{case when exp1 = exp2 then null else exp1}}



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