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Posted to dev@hive.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2013/10/15 07:09:45 UTC
[jira] [Updated] (HIVE-3976) Support specifying scale and precision
with Hive decimal type
[ https://issues.apache.org/jira/browse/HIVE-3976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang updated HIVE-3976:
------------------------------
Attachment: HIVE-3976.4.patch
Patch #4 rebased the changes with latest patch.
> 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: New Feature
> Components: Query Processor, Types
> Reporter: Mark Grover
> Assignee: Xuefu Zhang
> Attachments: HIVE-3976.1.patch, HIVE-3976.2.patch, HIVE-3976.3.patch, HIVE-3976.4.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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