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

    [ https://issues.apache.org/jira/browse/HIVE-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642478#comment-16642478
] 

Zoltan Haindrich edited comment on HIVE-13555 at 10/8/18 8:59 PM:
------------------------------------------------------------------

I think it was close to the release - nullif is present on 2.3 ; but not on 2.2
I've corrected this on the wiki


was (Author: kgyrtkirk):
I think it was close to the release - nullif is present on 2.3 ; but not on 2.2

> 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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