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From "Miklos Gergely (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-21238) Fix Surrogate Key issue
Date Mon, 11 Feb 2019 21:37:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-21238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16765391#comment-16765391
] 

Miklos Gergely commented on HIVE-21238:
---------------------------------------

[~vgarg] I agree that this is not the best method, it would be much better if the function
itself could get it from some sort of context. Unfortunately I don't see how it could be done
at the moment. When I've implemented this function we faced the same issue, and at the end
we chose this not-so-good solution. I'll create a Jira for the improvement of this.

> Fix Surrogate Key issue
> -----------------------
>
>                 Key: HIVE-21238
>                 URL: https://issues.apache.org/jira/browse/HIVE-21238
>             Project: Hive
>          Issue Type: Bug
>          Components: HiveServer2
>    Affects Versions: 3.0.0
>            Reporter: Miklos Gergely
>            Assignee: Miklos Gergely
>            Priority: Major
>             Fix For: 3.0.1
>
>         Attachments: HIVE-21238.01.patch, HIVE-21238.02.patch
>
>
> When SemanticAnalyzer is trying to set the write id for the surrogate key function it
is looking for such functions only in the main operator, while it should also look for it
in it's parents.



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