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From "Ethan Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PHOENIX-153) Implement TABLESAMPLE clause
Date Wed, 02 Aug 2017 04:28:02 GMT

    [ https://issues.apache.org/jira/browse/PHOENIX-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110284#comment-16110284
] 

Ethan Wang commented on PHOENIX-153:
------------------------------------

Thanks [~jamestaylor]!

> Implement TABLESAMPLE clause
> ----------------------------
>
>                 Key: PHOENIX-153
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-153
>             Project: Phoenix
>          Issue Type: Task
>            Reporter: James Taylor
>            Assignee: Ethan Wang
>              Labels: enhancement
>             Fix For: 4.12.0
>
>         Attachments: Sampling_Accuracy_Performance.jpg
>
>
> Support the standard SQL TABLESAMPLE clause by implementing a filter that uses a skip
next hint based on the region boundaries of the table to only return n rows per region.



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