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https://issues.apache.org/jira/browse/HIVE-6452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Hanson updated HIVE-6452:
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Assignee: Jitendra Nath Pandey
> fix bug in UnsignedInt128.multiplyArrays4And4To8 and revert temporary fix in
> Decimal128.multiplyDestructive
> -----------------------------------------------------------------------------------------------------------
>
> Key: HIVE-6452
> URL: https://issues.apache.org/jira/browse/HIVE-6452
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 0.13.0
> Reporter: Eric Hanson
> Assignee: Jitendra Nath Pandey
> Attachments: multiplyArrays4And4To8-start.patch
>
>
> UnsignedInt128.multiplyArrays4And4To8 has a bug that causes rare multiply
> failures, one of which appears in TestDecimal128.testKnownPriorErrors.
> Fix the bug by finishing the TODO section in
> UnsignedInt128.multiplyArrays4And4To8 in the provided
> multiplyArrays4And4To8-start.patch. Make it fast and make it work with no
> per-operation storage allocations.
> Retain the rest of the work (the new tests) in
> multiplyArrays4And4To8-start.patch as much as possible.
> Revert the changes to Decimal128.multiplyDestructive so it doesn't use the
> short-term, slow fix based on HiveDecimal. I.e. use the implementation in
> multiplyDestructiveNativeDecimal128.
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