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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-9489) add javadoc for UDFType annotation
Date Wed, 28 Jan 2015 08:57:34 GMT

    [ https://issues.apache.org/jira/browse/HIVE-9489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14294894#comment-14294894
] 

Lefty Leverenz commented on HIVE-9489:
--------------------------------------

Hmph.  Not many typos for me to find.  ;)

{{+   * Certain optimizations should not be applied if UDF is not deterministic}}

... needs a period at end of line.

{{+   * don't apply for such UDFS, as they need to be invoked for each record.}}

... UDFs, not UDFS.

{{+   * A UDF is considered distinctLike if the udf can be evaluated on just the}}

... udf should be UDF.


> add javadoc for UDFType annotation
> ----------------------------------
>
>                 Key: HIVE-9489
>                 URL: https://issues.apache.org/jira/browse/HIVE-9489
>             Project: Hive
>          Issue Type: Bug
>          Components: Documentation, UDF
>            Reporter: Thejas M Nair
>            Assignee: Thejas M Nair
>             Fix For: 1.2.0
>
>         Attachments: HIVE-9489.1.patch
>
>
> It is not clearly described, when a UDF should be marked as deterministic, stateful or
distinctLike.
> Adding javadoc for now. This information should also be incorporated in the wikidoc.



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