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Posted to issues@hive.apache.org by "Ian Cook (JIRA)" <ji...@apache.org> on 2018/10/08 19:51:00 UTC
[jira] [Commented] (HIVE-13555) Add nullif udf
[ https://issues.apache.org/jira/browse/HIVE-13555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16642384#comment-16642384 ]
Ian Cook commented on HIVE-13555:
---------------------------------
[~leftylev]: the wiki says this was added in 2.2.0, but [~owen.omalley]: it looks like you set the fix version here to 2.3.0. Owen: can you confirm that the {{nullif}} UDF was added in 2.3.0, not 2.2.0? Thanks.
> 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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