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From "Aaron Kimball (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-716) org.apache.hadoop.mapred.lib.db.DBInputformat not working with oracle
Date Wed, 08 Jul 2009 01:29:14 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron Kimball updated MAPREDUCE-716:
------------------------------------

    Status: Patch Available  (was: Open)

> org.apache.hadoop.mapred.lib.db.DBInputformat not working with oracle
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-716
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-716
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>         Environment: Java 1.6, HAdoop0.19.0, Linux..Oracle, 
>            Reporter: evanand
>            Assignee: Aaron Kimball
>         Attachments: HADOOP-5482.20-branch.patch, HADOOP-5482.patch, HADOOP-5482.trunk.patch,
MAPREDUCE-716.2.branch20.patch, MAPREDUCE-716.2.trunk.patch, MAPREDUCE-716.3.trunk.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> org.apache.hadoop.mapred.lib.db.DBInputformat not working with oracle.
> The out of the box implementation of the Hadoop is working properly with mysql/hsqldb,
but NOT with oracle.
> Reason is DBInputformat is implemented with mysql/hsqldb specific query constructs like
"LIMIT", "OFFSET".
> FIX:
> building a database provider specific logic based on the database providername (which
we can get using connection).
> I HAVE ALREADY IMPLEMENTED IT FOR ORACLE...READY TO CHECK_IN CODE

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