hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Samuel Yuan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3940) Track columns accessed in each table in a query
Date Mon, 28 Jan 2013 23:33:13 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3940?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Samuel Yuan updated HIVE-3940:
------------------------------

    Attachment: HIVE-3940.2.patch.txt
    
> Track columns accessed in each table in a query
> -----------------------------------------------
>
>                 Key: HIVE-3940
>                 URL: https://issues.apache.org/jira/browse/HIVE-3940
>             Project: Hive
>          Issue Type: Task
>          Components: Query Processor
>            Reporter: Samuel Yuan
>            Assignee: Samuel Yuan
>            Priority: Minor
>         Attachments: HIVE-3940.1.patch.txt, HIVE-3940.2.patch.txt
>
>
> Similar to partition access logs, we need to have columns access logs, so later we can
build tools/reports to inform users if there are wasted columns in a table to be trimmed.

--
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

Mime
View raw message