On Wed, Dec 23, 2009 at 10:52 PM, Shalin Shekhar Mangar < shalinman...@gmail.com> wrote:
> On Thu, Dec 24, 2009 at 2:39 AM, Prasanna R <plistma...@gmail.com> wrote: > > > On Tue, Dec 22, 2009 at 11:49 PM, Shalin Shekhar Mangar < > > shalinman...@gmail.com> wrote: > > > > > > > > > I am curious how an approach that simply uses the wildcard query > > > > functionality on an indexed field would work. > > > > > > > > > It works fine as long as the terms are not repeated across documents. > > > > > > > > I do not follow why terms repeating across documents would be an issue. > As > > long as you can differentiate between multiple matches and rank them > > properly it should work right? > > > > > A prefix search would return documents. If a field X being used for > auto-complete has the same value in two documents then the user will see > the > same value being suggested twice. > That is right. I will have to handle removing duplicate values from the results returned by the result handler. > > > We do auto-complete through prefix searches on shingles. > > > > Just to confirm, do you mean using EdgeNgram filter to produce letter > ngrams > of the tokens in the chosen field? > > > No, I'm talking about prefix search on tokens produced by a ShingleFilter. > I did not know about the Prefix query parser in Solr. Thanks a lot for pointing out the same. I find relatively little online material about the Solr/Lucene prefix query parser. Kindly point me to any useful resource that I might be missing. Thanks again for all your help. Regards, Prasanna.
