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https://issues.apache.org/jira/browse/HIVE-20207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matt McCline updated HIVE-20207:
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Attachment: HIVE-20207.07.patch
> 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
> Attachments: HIVE-20207.01.patch, HIVE-20207.02.patch,
> HIVE-20207.03.patch, HIVE-20207.04.patch, HIVE-20207.05.patch,
> HIVE-20207.06.patch, HIVE-20207.07.patch
>
>
> 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)Â LongColLessLongColumn SIMD optimization do not work for very large
> integers:
> -7272907770454997143 < 8976171455044006767
> outputVector[i] = (vector1[i] - vector2[i]) >>> 63;
> Produces 0 instead of 1...
> Also, add DECIMAL_64 testing. Add missing DECIMAL/DECIMAL_64 Comparison and
> IF vectorized expression classes.
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