I don't think it would. You set the id in model, it's passed to database, 
and then database returns it back again

Dne pátek 21. srpna 2015 17:26:49 UTC+2 masa331 napsal(a):
>
> Hi guys,
>
> this is code from ActiveRecord::Persistance:
>
> def _create_record(attribute_names = self.attribute_names)   
> attributes_values = arel_attributes_with_values_for_create(attribute_names
> )
>   new_id = self.class.unscoped.insert attributes_values   self.id ||= 
> new_id if self.class.primary_key
>   @new_record = false   id end
>
> I'm curious about the rational behind line no. 5. Why we set `self.id` to 
> value returned from db only if it was previously empty? I couldn't find any 
> test nor some discussion. Also the code dates back to 2011.
>
> I work with some legacy db where primary key is string which is modified 
> in some database trigger. Because the `self.id` is set before save it 
> isn't assigned to proper value returned from db after trigger modification.
>
> I can't think of any problem if we always assign id to value returned from 
> database.
>
> I would love to create PR if it's ok
>
> thanks!
>
> Sledujte náš blog.uol.cz, facebook.com/uol.cz, gplus.to/uolcz
> <http://facebook.com/uol.cz>


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