Have you tried the analysis window to debug. I believe you are doing something wrong in the fieldType.
On Wed, Jul 18, 2012 at 8:07 PM, Husain, Yavar <yhus...@firstam.com> wrote: > Thanks Sahi. I have replaced my EdgeNGramFilterFactory to > NGramFilterFactory as I need substrings not just in front or back but > anywhere. > You are right I put the same NGramFilterFactory in both Query and Index > however now it does not return any results not even the basic one. > > -----Original Message----- > From: Dikchant Sahi [mailto:contacts...@gmail.com] > Sent: Wednesday, July 18, 2012 7:54 PM > To: solr-user@lucene.apache.org > Subject: Re: NGram for misspelt words > > You are creating grams only while indexing and not querying hence 'ludlwo' > would not match. Your analyzer will create the following grams while > indexing for 'ludlow': lu lud ludl ludlo ludlow and hence would not match > to 'ludlwo'. > > Either you need to create gram while querying also or use Edit Distance. > > On Wed, Jul 18, 2012 at 7:43 PM, Husain, Yavar <yhus...@firstam.com> > wrote: > > > > > > > > > I have configured NGram Indexing for some fields. > > > > Say I search for the city Ludlow, I get the results (normal search) > > > > If I search for Ludlo (with w ommitted) I get the results > > > > If I search for Ludl (with ow ommitted) I still get the results > > > > I know that they are all partial strings of the main string hence > > NGram works perfect. > > > > But when I type in Ludlwo (misspelt, characters o and w interchanged) > > I dont get any results, It should ideally match "Ludl" and provide the > > results. > > > > I am not looking for Edit distance based Spell Correctors. How can I > > make above NGram based search work? > > > > Here is my schema.xml (NGramFieldType): > > > > <fieldType name="nGram" class="solr.TextField" positionIncrementGap="100" > > stored="false" multiValued="true"> > > > > <analyzer type="index"> > > > > <tokenizer class="solr.StandardTokenizerFactory"/> > > > > <!-- potentially word delimiter, synonym filter, stop words, NOT > > stemming > > --> > > > > <filter class="solr.LowerCaseFilterFactory"/> > > > > <filter class="solr.EdgeNGramFilterFactory" minGramSize="2" > > maxGramSize="15" side="front" /> > > > > > > > > </analyzer> > > > > <analyzer type="query"> > > > > <tokenizer class="solr.StandardTokenizerFactory"/> > > > > <!-- potentially word delimiter, synonym filter, stop words, NOT > > stemming > > --> > > > > <filter class="solr.LowerCaseFilterFactory"/> > > > > </analyzer> > > > > </fieldType> > > > > > > </PRE> > > <BR> > > ********************************************************************** > > ********************<BR>This message may contain confidential or > > proprietary information intended only for the use of > > the<BR>addressee(s) named above or may contain information that is > > legally privileged. If you are<BR>not the intended addressee, or the > > person responsible for delivering it to the intended addressee,<BR>you > > are hereby notified that reading, disseminating, distributing or > > copying this message is strictly<BR>prohibited. If you have received > > this message by mistake, please immediately notify us by<BR>replying > > to the message and delete the original message and any copies > > immediately thereafter.<BR> <BR> Thank you.~<BR> > > > > ********************************************************************** > > ********************<BR> > > FAFLD<BR> > > <PRE> > > >
