Re: strange one-to-one relationship

From: Tore Halset (halse..vv.ntnu.no)
Date: Fri Nov 21 2003 - 03:43:14 EST

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    On Thu, 20 Nov 2003, Andrus Adamchik wrote:

    > I have to look for the exact reasons why it breaks. The workaround
    > you've mentioned makes total sense and should work just fine. I opened
    > a bug report (classified as "improvement request"):
    >
    > http://objectstyle.org/jira/secure/ViewIssue.jspa?key=CAY-41

    Thank you.

    > On a side note, have you ever thought of a modeling this in DB as an
    > optional PK->PK "master->dependent" relationship? Such one-one
    > relationships are fully supported in Cayenne. Since from your schema
    > "engine" can't exist without a car record anyway.

    Currently engine and car does not have the same primary key. But they
    probably should. We got into this mess over time :)

     - Tore.



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