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From "Craig Russell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (JDO-193) Need new test cases for Map where there is no join table; the key is a field of the value type or the value is a field of the key type
Date Fri, 03 Feb 2006 19:27:19 GMT
     [ http://issues.apache.org/jira/browse/JDO-193?page=all ]

Craig Russell updated JDO-193:
------------------------------

    Fix Version: JDO 2 rc1
        Version: JDO 2 beta

> Need new test cases for Map where there is no join table; the key is a field of the value
type or  the value is a field of the key type
> ---------------------------------------------------------------------------------------------------------------------------------------
>
>          Key: JDO-193
>          URL: http://issues.apache.org/jira/browse/JDO-193
>      Project: JDO
>         Type: Test
>   Components: tck20
>     Versions: JDO 2 beta
>  Environment: TCK
>     Reporter: Craig Russell
>      Fix For: JDO 2 rc1

>
> JDO allows mapping of Maps where there is no join table. The metadata for the Employee/Department
mapping uses the mapped-by attribute of the map element:
> <class name="Department">
> <field name="employees" mapped-by="dept">
> <key mapped-by="id"/>
> </field>
> </class>
> <class name="Employee">
> <field name="id" column="ID"/>
> <field name="dept" column="DEPT"/>
> </class>
> Another mapping would have the key of the Map be the Employee and the value be the id.

> We should probably define a separate package for this mapping, as there is some confusion
in using parts of the Company model where we have changed a significant part of the model.

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