On Nov 16, 2010, at 12:32 PM, Ray Kiddy wrote:

> 
> On Nov 16, 2010, at 6:32 AM, David Avendasora wrote:
> 
>> Hi all,
>> 
>> I have a Many-to-Many relationship and the join table does _not_ have a 
>> compound PK. It has a normal PK with a dataType of Long. The FKs that 
>> represent the to-One relationships on the join table are simply FKs and not 
>> part of the PK.
>> 
>> I would like to flatten the toMany relationships, but when I add an object 
>> to the relationship and EOF tries to create a row in the join table it  
>> tries to create a compound PK for the join table, even though the Model is 
>> very clear as to what the PK is. 
>> 
>> Is this the normal EOF behavior to ignore the Model's PK settings for the 
>> join table and just assume that the PK is compound?
>> 
>> I've always avoided flattened relationships because every time I try to use 
>> them I run into problems and give up and go back to regular relationships 
>> because it seems the work that flattened relationships save always gets 
>> offset by the limitations they impose (either that or my limitations of 
>> ability to use them properly).
>> 
>> Dave _______________________________________________
> 
> Riffing off a problem I had recently, I would guess that the tool (ever so 
> helpfully) set the 'propagate primary key' on the relationships going into 
> the join table. If that property is set on the two relationships, that may be 
> enough to confuse things.

I checked that and no, Propagates Primary Key isn't set on any of the 4 
relationships involved.

Another detail is that I'm using Oracle and sequences to create the primary 
key, so I'm looking into a problem with that sequence as well.

Dave


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