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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2018/11/08 10:18:00 UTC

[jira] [Commented] (HIVE-19647) use bitvectors in IN operators

    [ https://issues.apache.org/jira/browse/HIVE-19647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16679559#comment-16679559 ] 

Zoltan Haindrich commented on HIVE-19647:
-----------------------------------------

[~ashutoshc] Could you please take a look?

> use bitvectors in IN operators
> ------------------------------
>
>                 Key: HIVE-19647
>                 URL: https://issues.apache.org/jira/browse/HIVE-19647
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>         Attachments: HIVE-19647.01.patch, HIVE-19647.02.patch, partial.patch
>
>
> for strings there is no easy way to filter things out ; even min/max is null;
> but the bitvectors could be used if they are available



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