Re: Delete of parent object triggers delete of to-one destination object
Re: Delete of parent object triggers delete of to-one destination object
- Subject: Re: Delete of parent object triggers delete of to-one destination object
- From: "Ricardo J. Parada" <email@hidden>
- Date: Wed, 06 Oct 2010 06:23:14 -0400
The Message entity has another to-one called "notification" which has "Own Destination" checked. But that to-one has a different destination entity.
Anyways, I unchecked that and tried again but it still deleting the destination EO of the mimeContent to-one. :-/
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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