[Dbix-class] Order of operations in CascadeActions::delete

[Matt S Trout]

On Tue, May 08, 2007 at 03:36:42PM +0100, Pedro Melo wrote:
> Ok, fair enough.

I don't really like saying "we make this hard for your own good" but after
seeing the damage to half a dozen projects done by making it easy ... :)
 
> On May 8, 2007, at 12:52 PM, Matt S Trout wrote:
> 
> >On Tue, Apr 24, 2007 at 02:25:57PM +0100, Pedro Melo wrote:
> >>First, I agree with you that cascade delete on the database side is
> >>probably best, and that the db-side cascading delete taking
> >>preference is documented in the Relationship.pm perldoc.
> >>
> >>But allowing DBIC to perform the delete itself is useful when you
> >>have extra business logic attached to the delete action.
> >
> >If you have business logic attached then you can override delete  
> >and do
> >whatever you like in there.
> >
> >The automatic code is intentionally written the way it is because  
> >I've seen
> >naive programmers cause massive data loss with Class::DBI's reverse  
> >approach.
> >
> >If you want to override the DB's FK settings, you get to do it by  
> >hand so it's
> >Bloody Obvious (tm) in the code that that's what's going to happen.  
> >It's safer
> >and more maintainable that way, IME.
> >
> >-- 
> >      Matt S Trout       Need help with your Catalyst or  
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> -- 
> Pedro Melo
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-- 
     Matt S Trout        Need help with your Catalyst or DBIx::Class project?
  Technical Director     Want a managed development or deployment platform?
Shadowcat Systems Ltd.   Contact mst (at) shadowcatsystems.co.uk for a quote
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