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From "Michael Wagner (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TORQUE-242) RecordMapper should use selected columns from Criteria
Date Mon, 12 Nov 2012 09:32:12 GMT

    [ https://issues.apache.org/jira/browse/TORQUE-242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13495169#comment-13495169
] 

Michael Wagner commented on TORQUE-242:
---------------------------------------

A current workaround is to create a custom record mapper which overrides the processRow(ResultSet,
int) method of the corresponding base record mapper.
To perform the query pass this custom mapper to org.apache.torque.util.BasePeerImpl.doSelect(Criteria,
RecordMapper<TT> mapper).
                
> RecordMapper should use selected columns from Criteria
> ------------------------------------------------------
>
>                 Key: TORQUE-242
>                 URL: https://issues.apache.org/jira/browse/TORQUE-242
>             Project: Torque
>          Issue Type: Improvement
>          Components: Runtime, Templates
>    Affects Versions: 4.0-beta1
>            Reporter: Thomas Fox
>
> Currently, when a select result is converted into objects, it is assumed that the selected
columns are all columns in the table and that they are in the order as in the schema xml.
This beraks if the user starts to add select rows in the criteria.
> Currently one must implement a custom record mapper to deal with this situation.
> It would be a nice feature if the record mapper could inspect the select crititera and
map the columns accordingly. An appropriate error should be thrown if the record mapper does
not map the result set.

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