hive-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-7836) Ease-out denominator for multi-attribute join case in statistics annotation
Date Fri, 22 Aug 2014 15:32:14 GMT

     [ https://issues.apache.org/jira/browse/HIVE-7836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-7836:
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.14.0
           Status: Resolved  (was: Patch Available)

Committed to trunk.

> Ease-out denominator for multi-attribute join case in statistics annotation
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-7836
>                 URL: https://issues.apache.org/jira/browse/HIVE-7836
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor, Statistics
>    Affects Versions: 0.14.0
>            Reporter: Prasanth J
>            Assignee: Prasanth J
>             Fix For: 0.14.0
>
>         Attachments: HIVE-7836.1.patch
>
>
> In cases where number of relations involved in join is less than the number of join attributes
the denominator of join rule can get larger resulting in aggressive row count estimation.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message