I set the id of the Filter object to nil and everything gets updated now. 
 Is this normal and should it work like this?

On Friday, 31 May 2013 13:52:57 UTC-4, Paul wrote:
>
> Hi,
>
> Here is my problem.  I have a model that has a 1-1 association implemented 
> using dm-accepts-nested-attributes:
>
> class Message
>
>   attribute_accessible :filter_attributes
>
>   has 1, :message_filter, :constraint => :destroy
>
>   has 1, :filter, :through => :message_filter, :via => :filter
>
>   accepts_nested_attributes_for :filter
>
> end
>
> class Filter
>
>    property :format, String
>
> end
>
> When I try to update a message:
>
> message.update(params[:message])
>
> I get the error message:
>
>  PRIMARY KEY must be unique (code: 19, sql state: , query: INSERT INTO 
> "filters" (....))
>
> Why is it trying to do an insert instead of doing an update?
>
> Paul
>

-- 
You received this message because you are subscribed to the Google Groups 
"DataMapper" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to datamapper+unsubscr...@googlegroups.com.
To post to this group, send email to datamapper@googlegroups.com.
Visit this group at http://groups.google.com/group/datamapper?hl=en.
For more options, visit https://groups.google.com/groups/opt_out.


Reply via email to