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Posted to dev@hive.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2013/10/23 00:21:44 UTC
[jira] [Updated] (HIVE-4523) round() function with specified
decimal places not consistent with mysql
[ https://issues.apache.org/jira/browse/HIVE-4523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang updated HIVE-4523:
------------------------------
Attachment: HIVE-4523.patch
> round() function with specified decimal places not consistent with mysql
> -------------------------------------------------------------------------
>
> Key: HIVE-4523
> URL: https://issues.apache.org/jira/browse/HIVE-4523
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Affects Versions: 0.7.1
> Reporter: Fred Desing
> Assignee: Xuefu Zhang
> Priority: Minor
> Attachments: HIVE-4523.patch
>
>
> // hive
> hive> select round(150.000, 2) from temp limit 1;
> 150.0
> hive> select round(150, 2) from temp limit 1;
> 150.0
> // mysql
> mysql> select round(150.000, 2) from DUAL limit 1;
> round(150.000, 2)
> 150.00
> mysql> select round(150, 2) from DUAL limit 1;
> round(150, 2)
> 150
> http://dev.mysql.com/doc/refman/5.1/en/mathematical-functions.html#function_round
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