| Michael Bouschen (JIRA) 2005-12-08, 7:45 am |
| [ http://issues.apache.org/jira/brows...action_12359724 ]
Michael Bouschen commented on JDO-167:
--------------------------------------
A few commenst about the patch:
Class CompletenessTest
- The StringTokenizer might return "" as a token. The code should skip this token this before before checking the supported options.
- Method isTestToBePerformed has an if statement at the end which you can skip.
- Method localSetUp should call addTearDownClass before making instances persistent.
> Inheritance mapping 2 needs to be changed to support polymorphic relationships to Employees
> -------------------------------------------------------------------------------------------
>
> Key: JDO-167
> URL: http://issues.apache.org/jira/browse/JDO-167
> Project: JDO
> Type: Bug
> Components: tck20
> Reporter: Michael Watzek
> Assignee: Michael Watzek
> Attachments: JDO-167.patch
>
> Inheritance mapping 2 is incomplete wrt Employee relationships. Due to this lack, implementations cannot figure out the right runtime type at navigation time, e.g. navigating from Project to Employee.
> In t-conference, Sep 30, Craig proposed to drop the identity propties from PK columns of tables persons, fulltimeemployees, parttimeemployees. Instead, we introduce implementation-defined sequences to generate unique key values for all instances of the
Person class hierarchy. Having unique PK values for each row in the hierarchy, implementations are able to find out the right runtime type when navigating Employee relationships.
> We need to adapt the schema and the ORM metadata in order to reflect these changes.
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