Ok, thanks for the information.
Is the idea to phase out mapper in favour of the Record/Field as soon
as it reaches mature stage? It seems from the list that there is lot
of active development on that area, so that isn't probably far in the
future.
// Juha
On Nov 24, 7:08 pm, "David Pollak" <[EMAIL PROTECTED]>
wrote:
> Juha,
>
> Yep... Lift doesn't do a lot of automagic stuff with One to Many relations.
> Maybe we'll look into doing more with this once we move to the Record/Field
> code.
>
> Thanks,
>
> David
>
>
>
> On Sun, Nov 23, 2008 at 1:47 PM, Juha L <[EMAIL PROTECTED]> wrote:
>
> > Hi,
>
> > I'm trying to learn some Scala and Lift, and I'm currently playing
> > with the Lift mapper. I have however stumbled upon a problem for which
> > I don't seem to be able to find answer from the examples or by using
> > Google. How do you create one-to-many mapping with lift mapper?
>
> > I have something like
>
> > class Parent extends KeyedMapper[Long, Parent] {
> > def getSingleton = Parent
> > def primaryKeyField = id
>
> > object id extends MappedLongIndex(this)
> > }
>
> > class Child extends KeyedMapper[Long, Child] {
> > def getSingleton = Child
> > def primaryKeyField = id
>
> > object id extends MappedLongIndex(this)
>
> > object parent extends MappedLongForeignKey(this, Parent)
> > }
>
> > What do I need to do so that I could do something like
>
> > parent.children.map(...)
>
> > Only way I have figured out is to create function like one below in
> > the Parent class. That will only solve problem of finding and updating
> > them, not adding, deleting or so.
>
> > def children = Child.findAll(By(Child.parent, this.id))
>
> > There probably is a correct way to do this, but at least I couldn't
> > find it. Any help appreciated.
>
> > Thanks beforehand,
> > Juha
>
> --
> Lift, the simply functional web frameworkhttp://liftweb.net
> Collaborative Task Managementhttp://much4.us
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