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From "Aditya Shah (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-23804) Adding defaults for Columns Stats table in the schema to make them backward compatible
Date Mon, 13 Jul 2020 07:29:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-23804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17156524#comment-17156524
] 

Aditya Shah commented on HIVE-23804:
------------------------------------

[~ngangam] ping for review of my previous comments and the patch. 

Thanks,

Aditya

> Adding defaults for Columns Stats table in the schema to make them backward compatible
> --------------------------------------------------------------------------------------
>
>                 Key: HIVE-23804
>                 URL: https://issues.apache.org/jira/browse/HIVE-23804
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: 2.1.1, 2.3.7
>            Reporter: Aditya Shah
>            Assignee: Aditya Shah
>            Priority: Major
>         Attachments: HIVE-23804-1.patch, HIVE-23804.patch
>
>
> Since the table/part column statistics tables have added a new `CAT_NAME` column with
`NOT NULL` constraint in version >3.0.0, queries to analyze statistics break for Hive versions
<3.0.0 when used against an upgraded DB. One such miss is handled in HIVE-21739.



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