On Wed, Nov 26, 2008 at 11:12 AM, Juha L <[EMAIL PROTECTED]> wrote:
>
> 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.
It's likely that Mapper will be the official ORM tool for Lift 1.0 and the
Record stuff will mature and be the recommended ORM tool for Lift 1.1+
>
>
> // 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
> > Follow me:http://twitter.com/dpp
> > Git some:http://github.com/dpp
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Collaborative Task Management http://much4.us
Follow me: http://twitter.com/dpp
Git some: http://github.com/dpp
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