DM Constraints will do the trick, Im actually pushing some code later today so dm constraints will support :through => Resource which it currently doesn't. But for 1:M it is the way to go
On Feb 11, 11:02 am, Nick Chistyakov <[email protected]> wrote: > Try dm-constraints from dm-more gem > > br, > Nick > > On Wed, Feb 11, 2009 at 9:16 PM, Ted Han <[email protected]> wrote: > > > i don't think Datamapper has an implicit hook for something like that > > (atm, at least. it probably should :P ) > > > You can use the builtin hooks for a class to reap the children of the > > object before the object gets deleted. Check out: > >http://datamapper.org/doku.php?id=docs:hooks > > > On Wed, Feb 11, 2009 at 12:42 PM, Praveen <[email protected]> wrote: > > > > Hi All > > > Trying to port an activerecord based app to DM and can't seem to find > > > an equivalent of > > > has_many :children, :dependent => :destroy > > > in DM. I tried > > > has n :children, :dependent => :destroy > > > > but it gives and error : ArgumentError: Unknown property 'dependent' > > > when I try to access the collection like parent.children() > > > > What's the recommended way to do :dependent in DM? > > > > thanks --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "DataMapper" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/datamapper?hl=en -~----------~----~----~----~------~----~------~--~---
