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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2536) MapReduce for MySQL
Date Wed, 04 Jun 2008 23:17:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602501#action_12602501
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-2536:
------------------------------------------------

> Also, Hudson complains about the lack of unit-tests. Bar the inclusion of an embedded
SQL database, I can't really think of anything non-trivial in this case.

We could implement a MiniDBMS with very limited ability (e.g. use array or java collection
to store data in memory), implement a java.sql.Driver and register it in java.sql.DriverManager.
 Then, use it for testing.

> MapReduce for MySQL
> -------------------
>
>                 Key: HADOOP-2536
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2536
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: mapred
>            Reporter: Fredrik Hedberg
>            Assignee: Fredrik Hedberg
>            Priority: Minor
>         Attachments: database-2.diff, database.diff
>
>
> Add support for running MapReduce jobs over data residing in a MySQL table.

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