On May 17, 2008, at 12:50 PM, Guillaume Lerouge wrote: > Hi there, > >>> I'm working on JCRStore and QueryPlugin and I want to get some >>> feedback >>>> about >>>> http://dev.xwiki.org/xwiki/bin/view/Design/XWiki+Query >> +Language+Specification >>>> >>>> 1. Why our QueryPlugin's xpath isn't sufficient? (except it >>>> doesn't work >>>> now and some features are unimplemented :)) >> > > Actually, interestingly enough, after looking for a few secs at > xpath and > understanding a bit better how it works (thanks Wikipedia) I found > it easy > to understand. Provided users can find a treeview of how XWiki > underlying > elements work involved on XWiki.org it could be easy to use... > > In fact, rather than the query language itself I think the main > issue for > people starting to use XWiki is that it's hard to find what exactly > are the > XWiki elements (object, classes, etc) and how to build queries > around them. > > Having various query languages is great because developers can use > the one > that they are the most familiar with. But for XWiki beginners what > is really > needed is a clear documentaiton page saying something like : > > "If you want to query property A from object B in space C here are > the XWiki > bits involved : > > - in hql : BaseObject, doc.web, prop.id.id (or whatever) > - in xpath : /*/*[space/Main/ and and obj/XWiki/XWikiUsers/ > @xp:email like > 'XXX']" > > providing examples, explanations, and so on... As a XWiki beginner I > don't > even know what a query language is, yet I may want to build > applications -> > I need to know how I should go about doing this.
This is what we started doing on http://platform.xwiki.org/xwiki/bin/view/DevGuide/APIGuide Thanks -Vincent > Having an automated query builder might be the best answer to this > issue > though... > > >>>> 2. Are we sure to use sql-like query language? >>>> I think sql isn't user friendly language. >>> >>> For me XPath is way more clear and logical than SQL like language >>> but >>> I agree that only programmer can think that way ;) >> > > Not necessarily ;-) > > Guillaume _______________________________________________ devs mailing list [email protected] http://lists.xwiki.org/mailman/listinfo/devs
