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Date: Wed, 25 Sep 2013 00:02:04 +0000 (UTC)
From: "Xuefu Zhang (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12630455.1359756190039.13326.1380067324152@arcas>
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Subject: [jira] [Updated] (HIVE-3976) Support specifying scale and precision
 with Hive decimal type
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     [ https://issues.apache.org/jira/browse/HIVE-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xuefu Zhang updated HIVE-3976:
------------------------------

    Attachment: HIVE-3976.1.patch

Patch #1 added grammar change, bug fixes, etc.
                
> Support specifying scale and precision with Hive decimal type
> -------------------------------------------------------------
>
>                 Key: HIVE-3976
>                 URL: https://issues.apache.org/jira/browse/HIVE-3976
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor, Types
>            Reporter: Mark Grover
>            Assignee: Xuefu Zhang
>         Attachments: HIVE-3976.1.patch, HIVE-3976.patch, remove_prec_scale.diff
>
>
> HIVE-2693 introduced support for Decimal datatype in Hive. However, the current implementation has unlimited precision and provides no way to specify precision and scale when creating the table.
> For example, MySQL allows users to specify scale and precision of the decimal datatype when creating the table:
> {code}
> CREATE TABLE numbers (a DECIMAL(20,2));
> {code}
> Hive should support something similar too.

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