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From "Ian Cook (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13555) Add nullif udf
Date Mon, 08 Oct 2018 21:02:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642487#comment-16642487
] 

Ian Cook commented on HIVE-13555:
---------------------------------

Thanks Zoltan!

> 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
>            Priority: Major
>             Fix For: 2.3.0
>
>         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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