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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6641) optimized HashMap keys won't work correctly with decimals
Date Mon, 17 Mar 2014 19:53:43 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938290#comment-13938290
] 

Gunther Hagleitner commented on HIVE-6641:
------------------------------------------

+1 LGTM. However, can you open a follow up jira to properly fix?

Also, are you sure this is the only datatype suffering from this?

> optimized HashMap keys won't work correctly with decimals
> ---------------------------------------------------------
>
>                 Key: HIVE-6641
>                 URL: https://issues.apache.org/jira/browse/HIVE-6641
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>         Attachments: HIVE-6641.patch
>
>
> Decimal values with can be equal while having different byte representations (different
precision/scale), so comparing bytes is not enough. For a quick fix, we can disable this for
decimals



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