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https://issues.apache.org/jira/browse/MAPREDUCE-1290?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manoj Babu D updated MAPREDUCE-1290:
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Attachment: MapReduce-1290-trunk.patch
Fixed the failures in the unit tests (TestConstructQuery, TestDBOutputFormat).
> DBOutputFormat does not support rewriteBatchedStatements when using MySQL
> jdbc drivers
> --------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1290
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1290
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Joe Crobak
> Attachments: MAPREDUCE-1290.patch, MapReduce-1290-trunk.patch
>
>
> The DBOutputFormat adds a semi-colon to the end of the INSERT statement that
> it uses to save fields to the database. Semicolons are typically used in
> command line programs but are not needed when using the JDBC API. In this
> case, the stray semi-colon breaks rewriteBatchedStatement support. See:
> http://forums.mysql.com/read.php?39,271526,271526#msg-271526 for an example.
> In my use case, rewriteBatchedStatement is very useful because it increases
> the speed of inserts and reduces memory consumption.
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