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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3976) Support specifying scale and precision with Hive decimal type
Date Tue, 30 Jul 2013 16:27:49 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13724019#comment-13724019
] 

Xuefu Zhang commented on HIVE-3976:
-----------------------------------

Thanks, Jason.

Please do attach a patch so that we can see how you plan to do it, even if it's incomplete.
I think our issues belong to the same category, so a generic approach works best.
                
> 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
>
> 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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