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From "Xuefu Zhang (JIRA)" <>
Subject [jira] [Commented] (HIVE-3976) Support specifying scale and precision with Hive decimal type
Date Tue, 22 Oct 2013 17:08:42 GMT


Xuefu Zhang commented on HIVE-3976:

Hi [~ashutoshc], I'm wondering if you could provide your review feedback. The patch is fairly
big, and so the earlier we get it in, the easier the merge would be. Thanks.

> Support specifying scale and precision with Hive decimal type
> -------------------------------------------------------------
>                 Key: HIVE-3976
>                 URL:
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor, Types
>    Affects Versions: 0.11.0
>            Reporter: Mark Grover
>            Assignee: Xuefu Zhang
>             Fix For: 0.13.0
>         Attachments: HIVE-3976.1.patch, HIVE-3976.2.patch, HIVE-3976.3.patch, HIVE-3976.4.patch,
HIVE-3976.5.patch, HIVE-3976.6.patch, HIVE-3976.7.patch, HIVE-3976.8.patch, HIVE-3976.9.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
> 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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