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Posted to issues@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2016/03/19 01:50:33 UTC

[jira] [Commented] (HIVE-13313) TABLESAMPLE ROWS feature broken for Vectorization

    [ https://issues.apache.org/jira/browse/HIVE-13313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15202426#comment-15202426 ] 

Matt McCline commented on HIVE-13313:
-------------------------------------

[~sershe] Can you give this a quick +1 (it solves HIVE-13190, too).  Thanks

> TABLESAMPLE ROWS feature broken for Vectorization
> -------------------------------------------------
>
>                 Key: HIVE-13313
>                 URL: https://issues.apache.org/jira/browse/HIVE-13313
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>            Reporter: Matt McCline
>            Assignee: Matt McCline
>            Priority: Critical
>         Attachments: HIVE-13313.01.patch
>
>
> For vectorization, the ROWS clause is ignored causing many rows to be returned.
> SELECT * FROM source TABLESAMPLE(10 ROWS);



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