[Xapian-discuss] a strange type of alias/expanded term

[Olly Betts]

On Thu, Oct 16, 2008 at 10:58:56AM +0200, Andreas Marienborg wrote:
> 
> On Oct 16, 2008, at 5:32 AM, Olly Betts wrote:
> 
> > On Mon, Oct 13, 2008 at 03:56:23PM +0200, Andreas Marienborg wrote:
> >> is($q->get_description, '(jazz AND oslo AND D20081013)');
> >
> > This version is arguably slightly better since the date should act  
> > as a
> > boolean filter term:
> >
> > ((jazz AND oslo) FILTER D20081013)
> 
> True, the D will be a boolean-filter, so that would most likely be the  
> end result?

When the D term isn't a boolean filter, it will add the same extra
weight contribution to every match.  So the same ordering, but different
actual weights.

Cheers,
    Olly