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Posted to dev@hive.apache.org by "Ning Zhang (JIRA)" <ji...@apache.org> on 2010/07/26 21:24:18 UTC

[jira] Commented: (HIVE-1121) CombinedHiveInputFormat for hadoop 19

    [ https://issues.apache.org/jira/browse/HIVE-1121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892422#action_12892422 ] 

Ning Zhang commented on HIVE-1121:
----------------------------------

This patch does not work if the input files belongs to different partitions. We should not create a split cross partitions. This will introduce grouping errors (see the unit test combine2.q). 

> CombinedHiveInputFormat for hadoop 19
> -------------------------------------
>
>                 Key: HIVE-1121
>                 URL: https://issues.apache.org/jira/browse/HIVE-1121
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Namit Jain
>             Fix For: 0.6.0
>
>         Attachments: hive-multifile.patch
>
>
> Creating the jira from the mail from  Roberto Congiu [roberto.congiu@openx.org]

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