Re: Compound PK generation

Depends on your definition of automatically/manually.

It worked fine as long as the to-many relationships that should=20
propagate the pk-components were class attributes. This, however, was=20
not acceptable to me. (I have changed my design.)

With many-to-many relationships it is also done "automatically".

/Anders

On 2004-12-09, at 19.28, Ricardo Strausz wrote:

> Compound keys cannot be assigned automatically by EOF. You have to=20
> assign them by hand.
>
> see the "saving objects" chapter of the "enterprise objects" book...=20=

> it should be installed somewhere in your hd.
>
> Dino
>
> On Dec 9, 2004, at 1:06 PM, Anders Peterson wrote:
>
>> Hi,
>>
>> I have some entities with compound primary keys. The pk components=20
>> are all foreign keys.
>>
>> I can't get EOF to generate primary keys for new instances unless I=20=

>> set the corresponding to-many relationships (leading to the=20
>> troublesome entity) to be class attributes.
>>
>> This is going to give me a performance problem. Eventually there will=20=

>> be lots of instances =96 huge to-many arrays.
>>
>> I=92m hoping I=92ve missed something. Is the only way to get rid of =
the=20
>> to-many class attributes to have dedicated primary key columns in=20
>> =93all=94 entities?
>>
>> /Anders
>>
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>