[jira] [Assigned] (HIVE-20207) Vectorization: Fix NULL / Wrong Results issues in Filter / Compare

[Matt McCline (JIRA)]

     [ 
https://issues.apache.org/jira/browse/HIVE-20207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Matt McCline reassigned HIVE-20207:
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> Vectorization: Fix NULL / Wrong Results issues in Filter / Compare
> ------------------------------------------------------------------
>
>                 Key: HIVE-20207
>                 URL: https://issues.apache.org/jira/browse/HIVE-20207
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>
> Write new UT tests that use random data and intentional isRepeating batches 
> to checks for NULL and Wrong Results for vectorized filter and compare.
> BUGS:
> 1) LongColLessLongColumn SIMD optimization do not work for very large 
> integers:
>  -7272907770454997143 < 8976171455044006767
>  outputVector[i] = (vector1[i] - vector2[i]) >>> 63;
>  Produces 0 instead of 1...



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