[TYPO3-mvc] How to remove 1:n from persistence

[Heiko Kromm | Paints]

I checked this on the blog_example. 
There is the same behavior with the comments. 
If you delete a comment it is only detached from the post, but not deleted from database. If I delete a post, the assigned comments will be deleted. 
I thik it schould be possible to set the deleted flag for the comment before it is detached. 

Regards 
Heiko 

----- Ursprüngliche Mail -----

Von: "Heiko Kromm | Paints" <h.kromm at paints.de> 
An: typo3-project-typo3v4mvc at lists.typo3.org 
Gesendet: Donnerstag, 12. Juli 2012 14:50:09 
Betreff: [TYPO3-mvc] How to remove 1:n from persistence 

Hi, 

I have a model which has an 1:n attribute. 
If I remove one item of the attribute with: 
$myModel->removeMyAttribute($attributeToRemove); 
The item is removed from myModel, but stays in persistence. 
I have to update a lot of the relation attributes, and therefore I there are a lot of unused elements in my database. 

How do I get rid of the elements in my database? 

Thanks 
Heiko 
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