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https://issues.apache.org/jira/browse/SQOOP-350?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13115976#comment-13115976
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David Robson commented on SQOOP-350:
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Actually - I found a parameter to do this I believe.
If you add the parameter 
sqoop.connection.factories=com.quest.oraoop.OraOopManagerFactory then this 
should force the OraOop manager factory to be used.
It is a bit confusing because OraOop ignores the connection-manager setting - 
should ManagerFactory plugins respect this setting? Or if a user sets this 
should the DefaultManagerFactory be forced to be used?
                
> Add support for requiring that a connector be used, otherwise the job should 
> fail
> ---------------------------------------------------------------------------------
>
>                 Key: SQOOP-350
>                 URL: https://issues.apache.org/jira/browse/SQOOP-350
>             Project: Sqoop
>          Issue Type: Improvement
>          Components: connectors
>    Affects Versions: 1.3.0
>            Reporter: Ken Krugler
>
> There are situations where it is critical that a specific connector be used 
> during a Sqoop. For example, if you have a table that doesn't have a suitable 
> column for partitioning, and thus you're relying on OraOop's row-based 
> partitioning, then it's critical that OraOop be used. If the Sqoop request 
> falls back to the generic Oracle connector, this puts huge, unacceptable load 
> on the database.
> The proposal is to add a -connector <class name> parameter, which will cause 
> the job to fail unless it's handled by the connector (from 
> sqoop.ConnFactory.getManager) with the matching class name.

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