Thanks Chuck... You lead me to the problem.

My Message entity has a mimeType property derived from mimeContent.mimeType.  
So it seems that is the reason why EOF is deleting the mimeContent to-one when 
I delete the parent Message.  


On Oct 5, 2010, at 8:26 PM, Chuck Hill wrote:

> Is there another relationship with Owns Destination or Cascade Delete set on 
> it.  Those are the only things that I can think of that would make EOF delete 
> an EO.  Could it be happening in your code?
> 
> 
> Chuck
> 
> On Oct 5, 2010, at 4:22 PM, Ricardo J. Parada wrote:
> 
>> Hi,
>> 
>> When I remove a child from a many-to-many relationship in the parent and 
>> delete the child I see EOF deletes the child in the database and  the 
>> corresponding record in the join table.  That's great.  However, the child 
>> object has a to-one called mimeContent and I'm also seeing a delete for the 
>> destination object:
>> 
>> DELETE FROM MIME_CONTENT WHERE MIME_CONTENT_ID = ?" withBindings: 
>> 1:26954(NeededByEOF0)
>> 1 row(s) deleted
>> 
>> I'm trying to figure out why this record is being deleted.  I already 
>> checked the "Own Destination" for the mimeContent to-one and it's not set.  
>> The "Delete Rule" is set to "No Action".   So I don't quite understand why 
>> it's getting deleted.  I don't want it to be deleted.
>> 
>> Any ideas?
>> 
>> Thanks,
>> Ricardo
> 
> 
> -- 
> Chuck Hill             Senior Consultant / VP Development
> 
> Practical WebObjects - for developers who want to increase their overall 
> knowledge of WebObjects or who are trying to solve specific problems.    
> http://www.global-village.net/products/practical_webobjects
> 
> 
> 
> 
> 
> 
> 

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