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https://issues.apache.org/jira/browse/PIG-785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Thejas M Nair updated PIG-785:
------------------------------

    Description: 
Order by relational operator supports the use of user defined functions for 
custom ordering. 
eg -
  X = ORDER A BY a1,a2,a3  USING myFunction();

But it is not documented.


  was:
Order by relational operator supports the use of user defined functions for 
custom ordering. 
eg -
  X = ORDER A BY a1,a2,a3 order by USING myFunction();

But it is not documented.



> documentation about USING clause in ORDER BY missing
> ----------------------------------------------------
>
>                 Key: PIG-785
>                 URL: https://issues.apache.org/jira/browse/PIG-785
>             Project: Pig
>          Issue Type: Bug
>          Components: documentation
>            Reporter: Thejas M Nair
>
> Order by relational operator supports the use of user defined functions for 
> custom ordering. 
> eg -
>   X = ORDER A BY a1,a2,a3  USING myFunction();
> But it is not documented.

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