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Posted to dev@hive.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2013/11/21 19:22:38 UTC
[jira] [Updated] (HIVE-5866) Hive divide operator generates wrong
results in certain cases
[ https://issues.apache.org/jira/browse/HIVE-5866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang updated HIVE-5866:
------------------------------
Attachment: HIVE-5866.patch
> Hive divide operator generates wrong results in certain cases
> -------------------------------------------------------------
>
> Key: HIVE-5866
> URL: https://issues.apache.org/jira/browse/HIVE-5866
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.13.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Attachments: HIVE-5866.patch
>
>
> Current GenericUDFOPDivide seems having a bug. The following query generates NULL result.
> {code}
> hive> select 4BD / 25BD from test limit 1;
> ...
> Total MapReduce CPU Time Spent: 890 msec
> OK
> NULL
> Time taken: 7.901 seconds, Fetched: 1 row(s)
> {code}
> The correct result should be 0.16 in this query.
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