Re: Specifying PK when creating a new object in DB generated PK mode

From: Aristedes Maniatis (ar..sh.com.au)
Date: Wed Feb 20 2008 - 02:01:10 EST

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    On 20/02/2008, at 9:51 AM, Scott Anderson wrote:

    > I am working an a request ticket system, similar to the one I'm
    > using to
    > enter this issue. I need to import requests from the old schema to the
    > new schema, and the PKs must be specified while doing an import. When
    > using the tool normally, the PKs must be database generated. Is there
    > any way to do this?

    You can specify the key yourself easily: http://cayenne.apache.org/doc/primary-key-generation.html

    But I can't see how you can guarantee you will not get collisions
    between your two schemes. Maybe better to keep the old key in a
    separate field for reference purposes.

    Ari Maniatis

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