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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-17538) Enhance estimation of stats to estimate even if only one column is missing stats
Date Mon, 25 Sep 2017 21:01:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-17538:
-------------------------------
    Fix Version/s: 3.0.0

> Enhance estimation of stats to estimate even if only one column is missing stats
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-17538
>                 URL: https://issues.apache.org/jira/browse/HIVE-17538
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17538.1.patch, HIVE-17538.2.patch, HIVE-17538.3.patch
>
>
> HIVE-16811 provided support for estimating statistics in absence of stats. But that estimation
is done if and only if statistics are missing for all columns. 



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