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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2018/10/26 21:28:00 UTC
[jira] [Updated] (HIVE-20821) Rewrite SUM0 into SUM + COALESCE
combination
[ https://issues.apache.org/jira/browse/HIVE-20821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated HIVE-20821:
-------------------------------------------
Status: Patch Available (was: In Progress)
> Rewrite SUM0 into SUM + COALESCE combination
> --------------------------------------------
>
> Key: HIVE-20821
> URL: https://issues.apache.org/jira/browse/HIVE-20821
> Project: Hive
> Issue Type: Improvement
> Components: CBO
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-20821.patch
>
>
> Since SUM0 is not vectorized, but SUM + COALESCE are.
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