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From "Zheng Shao (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HIVE-479) Change RCFileOutputFormat's generic signatute to be <WritableComparable, ..>
Date Wed, 03 Jun 2009 21:34:07 GMT

     [ https://issues.apache.org/jira/browse/HIVE-479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Zheng Shao updated HIVE-479:
----------------------------

       Resolution: Fixed
    Fix Version/s: 0.4.0
     Release Note: HIVE-479. Change RCFileOutputFormat's generic signatute. (Yongqiang He
via zshao)
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

Committed. Thanks Yongqiang.

> Change RCFileOutputFormat's generic signatute to be <WritableComparable, ..>
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-479
>                 URL: https://issues.apache.org/jira/browse/HIVE-479
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>             Fix For: 0.4.0
>
>         Attachments: hive-479-2009-5-12.patch
>
>
> In one test for hive-477, i found that the below command can not sucessfully pass:
> $HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/contrib/streaming/hadoop-0.19.0-streaming.jar
-input /user/hive/warehouse/tablerc1 -output testHiveWriter -inputformat org.apache.hadoop.hive.ql.io.RCFileInputFormat
-outputformat org.apache.hadoop.hive.ql.io.RCFileOutputFormat -mapper org.apache.hadoop.mapred.lib.IdentityMapper
-jobconf mapred.work.output.dir=. -jobconf hive.io.rcfile.column.number.conf=32 -jobconf mapred.output.compress=true
-numReduceTasks 0
> It is caused by the assumption that RCFileOutputFormat thinks the key's class of passes
in records is Void.

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