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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2016/09/01 00:20:20 UTC

[jira] [Updated] (HIVE-13555) Add nullif udf

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

Zoltan Haindrich updated HIVE-13555:
------------------------------------
    Attachment: HIVE-13555.1.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
>
>
> {{nullif(exp1, exp2)}} is shorthand for: {{case when exp1 = exp2 then null else exp1}}



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