Yes. I am going to provide autocomplete with facet count as rank.i.e. when
yours input "owe a duty", the system will suggest "xxx owe a duty yyy" with
highest count.
Thanks.
Dave
> Date: Wed, 22 Jul 2015 14:35:40 +0100
> Subject: Re: Performance of facet contain search in 5.2.1
> From: benedetti.ale...@gmail.com
> To: solr-user@lucene.apache.org
>
> I think as usually Erick says, this is a X-Y problem.
> I think the user was trying to solve the infix autocomplete problem with
> faceting.
>
> We should get from him the initial problem to try to suggest a better
> solution.
>
> Cheers
>
> 2015-07-22 14:01 GMT+01:00 Markus Jelsma :
>
> > Hello - why not index the facet field as n-grams? It blows up the index
> > but is very fast!
> > Markus
> >
> > -Original message-
> > > From:Erick Erickson
> > > Sent: Tuesday 21st July 2015 21:36
> > > To: solr-user@lucene.apache.org
> > > Subject: Re: Performance of facet contain search in 5.2.1
> > >
> > > "contains" has to basically examine each and every term to see if it
> > > matches. Say my
> > > facet.contains=bbb. A matching term could be
> > > aaabbbxyz
> > > or
> > > zzzbbbxyz
> > >
> > > So there's no way to _know_ when you've found them all without
> > > examining every last
> > > one. So I'd try to redefine the problem to not require that. If it's
> > > absolutely required,
> > > you can do some interesting things but it's going to inflate your index.
> > >
> > > For instance, "rotate" words (assuming word boundaries here). So, for
> > > instance, you have
> > > a text field with "my dog has fleas". Index things like
> > > my dog has fleas|my dog has fleas
> > > dog has fleas my|my dog has fleas
> > > has fleas my dog|my dog has fleas
> > > fleas my dog has|my dog has fleas
> > >
> > > Literally with the pipe followed by the original text. Now all your
> > > contains clauses are
> > > simple prefix facets, and you can have the UI split the token on the
> > > pipe and display the
> > > original.
> > >
> > > Best,
> > > Erick
> > >
> > > On Tue, Jul 21, 2015 at 1:16 AM, Lo Dave wrote:
> > > > I found that facet contain search take much longer time than facet
> > prefix search. Do anyone have idea how to make contain search faster?
> > > > org.apache.solr.core.SolrCore; [concordance] webapp=/solr path=/select
> > params={q=sentence:"duty+of+care"&facet.field=autocomplete&indent=true&facet.prefix=duty+of+care&rows=1&wt=json&facet=true&_=1437462916852}
> > hits=1856 status=0 QTime=5 org.apache.solr.core.SolrCore; [concordance]
> > webapp=/solr path=/select
> > params={q=sentence:"duty+of+care"&facet.field=autocomplete&indent=true&facet.contains=duty+of+care&rows=1&wt=json&facet=true&facet.contains.ignoreCase=true}
> > hits=1856 status=0 QTime=10951
> > > > As show above, prefix search take 5 but contain search take 10951
> > > > Thanks.
> > > >
> >
>
>
>
> --
> --
>
> Benedetti Alessandro
> Visiting card - http://about.me/alessandro_benedetti
> Blog - http://alexbenedetti.blogspot.co.uk
>
> "Tyger, tyger burning bright
> In the forests of the night,
> What immortal hand or eye
> Could frame thy fearful symmetry?"
>
> William Blake - Songs of Experience -1794 England
