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https://issues.apache.org/jira/browse/HIVE-12719?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ganesha Shreedhara updated HIVE-12719:
--------------------------------------
    Description: Currently function name for the permanent function is getting 
formed as dbName.WINDOW_FUNC_PREFIX+functionName where as function registry has 
function name as WINDOW_FUNC_PREFIX+dbName.functionName. This is leading to 
invalid function error when we use permanent function with window function. Fix 
has been done such that we form the permanent function name rightly as 
WINDOW_FUNC_PREFIX+dbName+.+functionName so that it matches with the name in 
function registry. The functionality for built-in/temporary function would 
remain the same.

> As a hive user, I am facing issues using permanent UDAF's.
> ----------------------------------------------------------
>
>                 Key: HIVE-12719
>                 URL: https://issues.apache.org/jira/browse/HIVE-12719
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 1.2.1
>            Reporter: Surbhit
>            Assignee: Ganesha Shreedhara
>            Priority: Major
>         Attachments: HIVE-12719.patch
>
>
> Currently function name for the permanent function is getting formed as 
> dbName.WINDOW_FUNC_PREFIX+functionName where as function registry has 
> function name as WINDOW_FUNC_PREFIX+dbName.functionName. This is leading to 
> invalid function error when we use permanent function with window function. 
> Fix has been done such that we form the permanent function name rightly as 
> WINDOW_FUNC_PREFIX+dbName+.+functionName so that it matches with the name in 
> function registry. The functionality for built-in/temporary function would 
> remain the same.



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