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From "Zoltan Haindrich (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13555) Add nullif udf
Date Sat, 03 Sep 2016 19:54:21 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zoltan Haindrich updated HIVE-13555:
------------------------------------
    Attachment: HIVE-13555.2.patch

> 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
>         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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