[jira] Commented: (IBATIS-226) Support Commons DBUtils ResultSetHandler

["Paul Benedict (JIRA)" <ib...@incubator.apache.org>]

    [ http://issues.apache.org/jira/browse/IBATIS-226?page=comments#action_12372176 ] 

Paul Benedict commented on IBATIS-226:
--------------------------------------

I think a very easy solution would to include a callback that can decode the ResultSet, if such power is needed:

public Object queryWithResultSetHandler(String statementName, Object parameterObject, ResultSetHandler rsh);

> Support Commons DBUtils ResultSetHandler
> ----------------------------------------
>
>          Key: IBATIS-226
>          URL: http://issues.apache.org/jira/browse/IBATIS-226
>      Project: iBatis for Java
>         Type: New Feature
>   Components: SQL Maps
>     Reporter: Paul Benedict

>
> Sometimes I need total control over the caching mechanism for very critical systems. I need to also guarantee object identity and I can only do this when handling the result set myself. I propose adding an attribute to the <statement> tag (and also <select>, <insert>, <update>) that will specify a subclass of ResultSetHandler so that I may write custom code and decode the ResultSet myself. The ResultSetHandler class is part of the Jakarta Commons DBUtils package. It is extremely useful!
> <select id="findMyObject" resultSetHandler="com.company.MyResultSetHandler">
> To prevent excess object creation, IBATIS must reuse the same instance it creates. 

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