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Date: Wed, 14 Aug 2013 14:38:49 +0000 (UTC)
From: "Teddy Choi (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HIVE-5022) Decimal Arithmetic generates NULL
 value
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     [ https://issues.apache.org/jira/browse/HIVE-5022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Teddy Choi updated HIVE-5022:
-----------------------------

    Status: Open  (was: Patch Available)
    
> Decimal Arithmetic generates NULL value
> ---------------------------------------
>
>                 Key: HIVE-5022
>                 URL: https://issues.apache.org/jira/browse/HIVE-5022
>             Project: Hive
>          Issue Type: Bug
>          Components: Types
>    Affects Versions: 0.11.0
>         Environment: Hortonworks 1.3 running Hive 0.11.0.1.3.0.0-107
>            Reporter: Kevin Soo Hoo
>            Assignee: Teddy Choi
>         Attachments: HIVE-5022.1.patch.txt, HIVE-5022.2.patch.txt
>
>
> When a decimal division is the first operation, the quotient cannot be multiplied in a subsequent calculation. Instead, a NULL is returned. 
> The following yield NULL results:
> select (cast (4.53 as decimal) / cast(25.86 as decimal)) * cast(0.087 as decimal) from <tablename> limit 1;
> select cast (4.53 as decimal) / cast(25.86 as decimal) * cast(0.087 as decimal) from <tablename> limit 1;
> If we move the multiplication operation to be first, then it will successfully calculate the result.

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