2011/8/24 Hardy Ferentschik <ha...@hibernate.org>: > On Wed, 24 Aug 2011 10:36:39 +0200, Sanne Grinovero <sa...@hibernate.org> > wrote: > >> This was asked some times, and today a new interesting use case was >> proposed on the forums: >> https://forum.hibernate.org/viewtopic.php?f=9&t=1012360 >> >> I usually tell the whole story "distinct is not fit for fulltext... >> use the relational queries" > > I've seen the post and answered saying pretty much what you just said. > >> but since it's often requested (on >> Infinispan Query too) and I just realized that in fact we could >> implement it as the needed information is in the index, and we could >> efficiently extract it and wrap in a nice and easy API. > > As I see it, it is a special case of projection. Maybe there could be an > additional option to the 'setProjection' call. > > Btw, how is this information available?
>From the IndexReader you can iterate a specific field's values; that's how faceting is built and why I think the forum poster was mentioning faceting; the faceting field works very similarly to a "distinct" selection on the term. > >> Shall I open a JIRA for this? Likely for 4.1 I would say, for now I'm >> just collecting opinion if we should support this, and if somebody has >> an idea of how such an API should look like. > > I think it is worth an issue, since it is a very typical usecase. Ok, this is HSEARCH-868 then. > > --Hardy > > > _______________________________________________ > hibernate-dev mailing list > hibernate-dev@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/hibernate-dev > _______________________________________________ hibernate-dev mailing list hibernate-dev@lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev
