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https://issues.apache.org/jira/browse/HIVE-18622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline updated HIVE-18622:
--------------------------------
    Status: In Progress  (was: Patch Available)

> Vectorization: IF Statements, Comparisons, and more do not handle NULLs 
> correctly
> ---------------------------------------------------------------------------------
>
>                 Key: HIVE-18622
>                 URL: https://issues.apache.org/jira/browse/HIVE-18622
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>             Fix For: 3.0.0
>
>         Attachments: HIVE-18622.03.patch
>
>
>  
> Many vector expression classes are missing guards around setting noNulls 
> among other things.
> {code:java}
>     // Carefully update noNulls...
>     if (outputColVector.noNulls) {
>       outputColVector.noNulls = inputColVector.noNulls;
>     }
>  {code}



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