Re: Group by in Lucene ?

>
> Solr has an issue outstanding right now that implements something that
> may be close to what you want.  They are calling it Field Collapsing.
> See https://issues.apache.org/jira/browse/SOLR-236
>
> -Grant
>
> On Nov 5, 2007, at 12:57 AM, Marcus Herou wrote:
>
> > Hi.
> >
> > I have a situation where I'm searching amongst some 100K feeds and
> > only want
> > one result per site in return. I have developed a really simple
> > method of
> > grouping which just scrolls through the resultset(hitset) until a
> > maxNum
> > docs of feeds from a set of unique sites is populated. Since I don't
> > wanna
> > reinvent the wheel, I want to know if Lucene has something like this
> > built.
> > I as well will use Solr soon and then my own homecooked recipe will
> > not work
> > so I really need a standard way of doing this.
> >
> > I know Nutch has something like it called depupField which default
> > is set to
> > 2.
> >
> > Anyone?
> >
> >
> > Kindly
> >
> > //Marcus
> >
> > --
> > Marcus Herou Solution Architect & Core Java developer Tailsweep AB
> > +46702561312
> > marcus.herou@...
> > http://www.tailsweep.com
>
> --------------------------
> Grant Ingersoll
> http://lucene.grantingersoll.com
>
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