Hi, I've added this as a FAQ so that other people meeting this issue can find the answer easily: http://www.xwiki.org/xwiki/bin/view/FAQ/Why+it+is+not+possible+to+filter+on+doc+title+in+a+livetable+
Guillaume On Wed, Feb 8, 2012 at 11:32 AM, Joris Dirks <jo...@user.stekje.nl> wrote: > On Tue, Feb 7, 2012 at 12:12 AM, Sergiu Dumitriu <ser...@xwiki.com> wrote: > > On 02/06/2012 10:59 AM, Joris Dirks wrote: > >> > >> Hi, > >> > >> I create livetables with doc.title as a column. By default, this > >> column does not show as filterable. When I force filtering by > >> "filterable:true", I can type in this field but nothing shows up as > >> result. > >> > >> The property doc.name can be used and filtered as expected. > >> > >> I have created an example: > >> http://playground.xwiki.org/xwiki/bin/view/Sandbox/Livetable > >> > >> Should I report his as a bug or did I overlook something? > > > > > > There are two different things that usually act as "title", doc.title and > > doc.displayTitle. The first one is an actual metadata field of the > document, > > persisted to the database, while the latter is a dynamic field computed > from > > different sources, including the doc.title field, headers in the content, > > the document name, and, more recently, other fields selected by the sheet > > used to display the objects in the document (a new feature of the new > sheet > > mechanism). Plus, it could even be more dynamic, as in text generated by > > some Velocity code, in the most basic form a translation. > > > > Livetable filters work directly on the database, meaning that they > translate > > into sql conditions ("and doc.title like '%text introduced by the > user%'"). > > The doc.title column is special, since it's not exactly the doc.title > > metadata, but a combination of doc.title and doc.displayTitle, so even > > though the computed display title is displayed, filtering and sorting > works > > on the plain title. Given the very dynamic and unpredictable aspect of > the > > display title, it's impossible to write a correct sql filter that would > > match the display title in all cases. > > > > For this reason, by default the title isn't filterable, since it won't > meet > > the user's expectations: it doesn't filter on the *displayed* title, but > on > > the internal title. What's more, it *can't* be configured so that it > filters > > on the right information all the time. For certain instances it would be > > possible to actually make the field filterable, but only when your > documents > > really use the document title as the only source of the displayed title. > > > > For example, if you edit some of the displayed documents in wiki or > wysiwyg > > mode and enter something in the document title field (the one above the > > content), you will be able to filter it in the livetable. > > > > I wouldn't report this as a bug, since it's a limitation that can't > easily > > be fixed, but what we could do is make more use of the document title. So > > far we've been limited by the old sheet mechanism when developing > > applications, so most applications define their own object property for > the > > title instead of using the document title, and even worse, their own > > property for the main content, since the document content had to be > reserved > > for the sheet inclusion statement. > > Clear, thanks Sergiu. Though I'm not sure how a user (like me) could > be aware of this. > _______________________________________________ > users mailing list > users@xwiki.org > http://lists.xwiki.org/mailman/listinfo/users > _______________________________________________ users mailing list users@xwiki.org http://lists.xwiki.org/mailman/listinfo/users
