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Posted to issues@hive.apache.org by "Deepak Jaiswal (JIRA)" <ji...@apache.org> on 2018/09/21 23:11:00 UTC

[jira] [Work started] (HIVE-20540) Vectorization : Support loading bucketed tables using sorted dynamic partition optimizer - II

     [ https://issues.apache.org/jira/browse/HIVE-20540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-20540 started by Deepak Jaiswal.
---------------------------------------------
> Vectorization : Support loading bucketed tables using sorted dynamic partition optimizer - II
> ---------------------------------------------------------------------------------------------
>
>                 Key: HIVE-20540
>                 URL: https://issues.apache.org/jira/browse/HIVE-20540
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>            Priority: Major
>         Attachments: HIVE-20540.1.patch
>
>
> Followup to HIVE-20510 with remaining issues,
>  
> 1. Avoid using Reflection.
> 2. In VectorizationContext, use correct place to setup the VectorExpression. It may be missed in certain cases.
> 3. In BucketNumExpression, make sure that a value is not overwritten before it is processed. Use a flag to achieve this.
> cc [~gopalv]



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