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From "Xuefu Zhang (JIRA)" <>
Subject [jira] [Updated] (HIVE-3976) Support specifying scale and precision with Hive decimal type
Date Wed, 25 Sep 2013 00:02:04 GMT


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:
>             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
> 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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