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From "Jonathan Chang (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2532) Evaluation of non-deterministic/stateful UDFs should not be skipped even if constant oi is returned.
Date Fri, 28 Oct 2011 18:01:33 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13138595#comment-13138595
] 

Jonathan Chang commented on HIVE-2532:
--------------------------------------

I have a patch but don't have a good testcase yet.  This might be a good time to add a side-effecting
UDF.  Any suggestions?
                
> Evaluation of non-deterministic/stateful UDFs should not be skipped even if constant
oi is returned.
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-2532
>                 URL: https://issues.apache.org/jira/browse/HIVE-2532
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Jonathan Chang
>            Assignee: Jonathan Chang
>
> Even if constant oi is returned, these may have stateful/side-effect behavior and hence
need to be called each cycle.

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