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https://issues.apache.org/jira/browse/MAHOUT-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12674985#action_12674985
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Sean Owen commented on MAHOUT-107:
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Actually, why do you extend this class? I looked again, it is indeed just
"filling in the blanks" in AbstractJDBCDataModel. If you want to use different
SQL, just do the same thing -- copy and paste this class even. I am certainly
open to enabling new hooks to customize the behavior of these classes if you'll
describe what you're trying to do.
> make MySQLJDBCDataModel not final
> ---------------------------------
>
> Key: MAHOUT-107
> URL: https://issues.apache.org/jira/browse/MAHOUT-107
> Project: Mahout
> Issue Type: Improvement
> Components: Collaborative Filtering
> Reporter: Jens Grivolla
> Priority: Minor
>
> Is there a particular reason for MySQLJDBCDataModel being final?
> I am using a derived class to incorporate additional information about the
> items and users (overriding buildItem etc.) and had to change my version of
> MySQLJDBCDataModel to be able to extend it.
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