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https://issues.apache.org/jira/browse/HADOOP-5482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron Kimball reopened HADOOP-5482:
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This issue was marked "Resolved" but it was never applied to the 20 branch or
trunk (for that matter, it never seems to have gone through Hudson).
I need Oracle support on 20/trunk, so I'm reopening this issue to revisit this
patch.
> org.apache.hadoop.mapred.lib.db.DBInputformat not working with oracle
> ---------------------------------------------------------------------
>
> Key: HADOOP-5482
> URL: https://issues.apache.org/jira/browse/HADOOP-5482
> Project: Hadoop Common
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.18.2, 0.18.3, 0.19.0, 0.19.1
> Environment: Java 1.6, HAdoop0.19.0, Linux..Oracle,
> Reporter: evanand
> Priority: Blocker
> Attachments: HADOOP-5482.20-branch.patch, HADOOP-5482.patch,
> HADOOP-5482.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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