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https://issues.apache.org/jira/browse/HIVE-13313?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15206076#comment-15206076
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Matt McCline commented on HIVE-13313:
-------------------------------------

Committed to master and branch-1

> 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
>             Fix For: 1.3.0, 2.1.0
>
>         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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