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https://issues.apache.org/jira/browse/HIVE-6167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13925126#comment-13925126
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Lefty Leverenz commented on HIVE-6167:
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[~jdere] documented this in the wiki's DDL doc, so I added a brief description
in the Hive Plugins doc and linked it to the DDL.
* [DDL: Permanent Functions
|https://cwiki.apache.org/confluence/display/Hive/LanguageManual+DDL#LanguageManualDDL-PermanentFunctions]
* [Hive Plugins |https://cwiki.apache.org/confluence/display/Hive/HivePlugins]
But the jira description currently has things backwards: "This task would
allow users to define temporary UDFs (and eventually permanent UDFs) with a
database name" -- it's permanent UDFs that can be defined with a database name,
not temporary UDFs.
> Allow user-defined functions to be qualified with database name
> ---------------------------------------------------------------
>
> Key: HIVE-6167
> URL: https://issues.apache.org/jira/browse/HIVE-6167
> Project: Hive
> Issue Type: Sub-task
> Components: UDF
> Reporter: Jason Dere
> Assignee: Jason Dere
> Fix For: 0.13.0
>
> Attachments: HIVE-6167.1.patch, HIVE-6167.2.patch, HIVE-6167.3.patch,
> HIVE-6167.4.patch
>
>
> Function names in Hive are currently unqualified and there is a single
> namespace for all function names. This task would allow users to define
> temporary UDFs (and eventually permanent UDFs) with a database name, such as:
> CREATE TEMPORARY FUNCTION userdb.myfunc 'myudfclass';
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