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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2013/10/31 02:07:25 UTC

[jira] [Commented] (HIVE-5694) on hbase table, function's result like 'count' or 'sum' is multiplied by the number of map tasks.

    [ https://issues.apache.org/jira/browse/HIVE-5694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809824#comment-13809824 ] 

Navis commented on HIVE-5694:
-----------------------------

It looks like HIVE-3420 which is not included in hive-0.12.0. Could you check that?

> on hbase table, function's result like 'count' or 'sum' is multiplied by the number of map tasks.
> -------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-5694
>                 URL: https://issues.apache.org/jira/browse/HIVE-5694
>             Project: Hive
>          Issue Type: Bug
>          Components: HBase Handler
>    Affects Versions: 0.12.0
>            Reporter: Sam Chen
>         Attachments: HiveHBaseTableInputFormat.java
>
>
> when calling getRecordReader() on HiveHBaseTableInputFormat, it calls convertFilter(), which leads to the scanner on each map being set to the full range of where's clause



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