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From "Edward Capriolo (JIRA)" <>
Subject [jira] [Resolved] (HIVE-2085) Document GenericUD(A|T)F
Date Wed, 30 Mar 2011 14:46:05 GMT


Edward Capriolo resolved HIVE-2085.

    Resolution: Won't Fix

What are you saying? Do you want more Java Doc? Hive currently uses a wiki that all our free
to edit. I do not think we should be opening up Jira's for documentation. Hive already has
enough issues assigned to no one, to be completed never.

> Document GenericUD(A|T)F
> ------------------------
>                 Key: HIVE-2085
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Documentation
>            Reporter: Lars Francke
>            Priority: Minor
> GenericUDFs are very poorly documented, this includes everything they relate to:
>   * ObjectInspector (JavaDoc not really helpful for someone not familiar with Hive)
>   * ObjectInspectorFactory
>   * ObjectInspectorConverters
>   * ...
> An example would help as well as a unit test for one of the built in GenericUDFs. Writing
a normal UDF is pretty well documented but GenericUDFs (and UDTF/UDAF) require more knowledge
about the inner workings of Hive and that could be documented better.

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