fully agree with that! if need any support, don't hesitate to ask... will try to find a few minutes...
On Fri, Oct 24, 2008 at 6:20 AM, Artem Melentyev <[EMAIL PROTECTED]>wrote: > Hi, Thomas. > > I think it is a good idea. It would be very useful for xwiki. > > I propose > ReferencePropertyClass (contains reference target > (object,document,attachment), cascade delete options and other > configurations) > ObjectReferenceProperty (reference to BaseObject) > DocumentReferenceProperty (if needed. reference to XWikiDocument) > as name of these properties. > I think "Foreign key" is too technical name for this. > > Please create a jira issue (new feature) and attach patches. > > Thanks > > Thomas McColgan wrote: > > I'm proposing to implement a new property type: A foreign key, > > analogous to the concept in relational databases. Together with custom > > mapping, a property like this would make it possible to use Xwiki as a > > frontend for a relational database, while making full use of the wikis > > capabilities(configurability, history, etc). > > The implementation would look similar to the existing "Database list" > > on the outside, but it would make a lot more use of the databases > > features. If A links to B, and someone deletes B the reference in A > > would either be set to null, or the delete would be stopped, depending > > on the configuration. It would also make it possible to adress > > associated objects directly in hql. > > > > The basic functionality can be emulated using DBList(adding a property > > to one object by choosing from existing instances of another class), > > but this is not useful if one wants to have "real" foreign key > > behaviour in the wiki and the underlying DB. If there is a demand for > > this I will be happy to contribute a patch once I am done, and I will > > try make the code nice enough to submit. Otherwise I will probably > > just make it as a hack to meet the exact need that I have... > > > > Thomas > > _______________________________________________ > > devs mailing list > > [email protected] > > http://lists.xwiki.org/mailman/listinfo/devs > > > -- > Artem Melentyev > _______________________________________________ > devs mailing list > [email protected] > http://lists.xwiki.org/mailman/listinfo/devs > _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
