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From Pierre Lavignotte <pierre.lavigno...@gmail.com>
Subject Re: How to create Meaningful Primary Keys?
Date Mon, 02 Feb 2009 11:49:27 GMT
Hi Nikos,

If you need PK for all your tables, then maybe you need to generate them.
But if you only need to use them for a couple tables then you should look at
DataObjectUtils class.


Cheers,
Pierre

Cordialement,
Pierre Lavignotte
Ingénieur Conception & Développement
http://pierre.lavignotte.googlepages.com


On Mon, Feb 2, 2009 at 12:35 PM, Νίκος Παράσχου <niparasc@gmail.com> wrote:

> Hello,
>
> It is the first time I am using cayenne and I have some questions
> regarding the primary keys.
>
> What I want to do is select some rows of a table where the PK has a
> specific value. The problem is I can't access the PK. I can specify
> qualifiers only with the non-PK columns. The PKs I am using have some
> meaning (they are not just numbers) so it is very important to be able
> to use them.
>
> How can I add the PK to the fields of the Object Entities?
>
> In this page http://cayenne.apache.org/doc20/primary-key-generation.html
> the answer is to create a Meaningful Primary Key.
>
> How can I create Meaningful Primary Keys?
>
> Are there any security issues when using Meaningful Primary Keys?
>
> Thank you for your time,
> Nikos
>
>

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