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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-5306) Use new GenericUDF instead of basic UDF for UDFAbs class
Date Wed, 18 Sep 2013 11:14:55 GMT


Hive QA commented on HIVE-5306:

{color:green}Overall{color}: +1 all checks pass

Here are the results of testing the latest attachment:

{color:green}SUCCESS:{color} +1 3129 tests passed

Test results:
Console output:

Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase

This message is automatically generated.
> Use new GenericUDF instead of basic UDF for UDFAbs class
> --------------------------------------------------------
>                 Key: HIVE-5306
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: UDF
>            Reporter: Mohammad Kamrul Islam
>            Assignee: Mohammad Kamrul Islam
>         Attachments: HIVE-5306.1.patch, HIVE-5306.2.patch
> GenericUDF class is the latest  and recommended base class for any UDFs.
> This JIRA is to change the current UDFAbs class extended from GenericUDF.
> The general benefit of GenericUDF is described in comments as 
> "* The GenericUDF are superior to normal UDFs in the following ways: 1. It can
>  * accept arguments of complex types, and return complex types. 2. It can accept
>  * variable length of arguments. 3. It can accept an infinite number of function
>  * signature - for example, it's easy to write a GenericUDF that accepts
>  * array<int>, array<array<int>> and so on (arbitrary levels of nesting).
4. It
>  * can do short-circuit evaluations using DeferedObject."  

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