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From "Igor Kabiljo (Commented) (JIRA)" <>
Subject [jira] [Commented] (HIVE-2470) Improve support for Constant Object Inspectors
Date Fri, 30 Sep 2011 16:06:45 GMT


Igor Kabiljo commented on HIVE-2470:

Also, is it intentional that you have to put UDFType annotation for function to be considered
as deterministic, even though UDFType.deterministic has default value true?
If I see correctly, FunctionRegistry.isDeterministic only looks if given class has that annotation,
and not if parent classes have it. UDFType annotation on GenericUDF is basically useless?
> Improve support for Constant Object Inspectors
> ----------------------------------------------
>                 Key: HIVE-2470
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Jonathan Chang
>            Assignee: Jonathan Chang
>         Attachments: HIVE-1360.part2.patch, HIVE-2470.patch
> ConstantObjectInspectors are nice but they need to be more widely supported and used.
 In particular,
> * More functions need to be using them.
> * There need to be facilities for propagating constness.
> * Support for complex types must be added.

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