[ 
https://issues.apache.org/jira/browse/HIVE-1648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Paul Butler updated HIVE-1648:
------------------------------

    Attachment: HIVE-1648.4.patch

> Automatically gathering stats when reading a table/partition
> ------------------------------------------------------------
>
>                 Key: HIVE-1648
>                 URL: https://issues.apache.org/jira/browse/HIVE-1648
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Ning Zhang
>            Assignee: Paul Butler
>         Attachments: HIVE-1648.2.patch, HIVE-1648.3.patch, HIVE-1648.4.patch, 
> HIVE-1648.patch
>
>
> HIVE-1361 introduces a new command 'ANALYZE TABLE T COMPUTE STATISTICS' to 
> gathering stats. This requires additional scan of the data. Stats gathering 
> can be piggy-backed on TableScanOperator whenever a table/partition is 
> scanned (given not LIMIT operator). 

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.

Reply via email to