You are viewing a plain text version of this content. The canonical link for it is here.

Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2012/12/05 07:46:59 UTC

[jira] [Updated] (HIVE-3401) Diversify grammar for split sampling

     [ https://issues.apache.org/jira/browse/HIVE-3401?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Navis updated HIVE-3401:
------------------------

    Status: Patch Available  (was: Open)

Running test
                
> Diversify grammar for split sampling
> ------------------------------------
>
>                 Key: HIVE-3401
>                 URL: https://issues.apache.org/jira/browse/HIVE-3401
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>            Reporter: Navis
>            Assignee: Navis
>            Priority: Trivial
>         Attachments: HIVE-3401.D4821.2.patch
>
>
> Current split sampling only supports grammar like TABLESAMPLE(n PERCENT). But some users wants to specify just the size of input. It can be easily calculated with a few commands but it seemed good to support more grammars something like TABLESAMPLE(500M). 

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira