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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-17536) StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero stats
Date Tue, 19 Sep 2017 23:45:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-17536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-17536:
-------------------------------
    Status: Patch Available  (was: Open)

> StatsUtil::getBasicStatForTable doesn't distinguish b/w absence of statistics or zero
stats
> -------------------------------------------------------------------------------------------
>
>                 Key: HIVE-17536
>                 URL: https://issues.apache.org/jira/browse/HIVE-17536
>             Project: Hive
>          Issue Type: Improvement
>          Components: Statistics
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>         Attachments: HIVE-17536.1.patch, HIVE-17536.2.patch, HIVE-17536.3.patch, HIVE-17536.4.patch
>
>
> This method returns zero for both of the following cases:
> * Statistics are missing in metastore
> * Actual stats e.g. number of rows are zero
> It'll be good for this method to return e.g. -1 in absence of statistics instead of assuming
it to be zero.



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