You have a stemming filter in your analysis chain. Go to the analysis tab, select the 'text' field, and put "Roche" into both boxes. Click analyse. I bet you you will see Roch, not Roche, because of your stemming filter shown below.
That's what Ahmet shrewdly identified above. Upayavira On Thu, 11 Aug 2016, at 08:31 PM, Ribeaud, Christian (Ext) wrote: > Hi Ahmet, > > Many thanks for your reply. I had a look at the URL you pointed out but, > honestly, I have to admit that I did not fully understand you. > Let's be a bit more concrete. Following the schema snippet for the > corresponding field: > > ... > <field name="title" type="text_de" indexed="true" stored="true" > required="false" multiValued="false" /> > > <!-- German --> > <fieldType name="text_de" class="solr.TextField" > positionIncrementGap="100"> > <analyzer> > <tokenizer class="solr.StandardTokenizerFactory"/> > <filter class="solr.LowerCaseFilterFactory"/> > <filter class="solr.StopFilterFactory" ignoreCase="true" > words="lang/stopwords_de.txt" format="snowball" /> > <filter class="solr.GermanNormalizationFilterFactory"/> > <filter class="solr.GermanLightStemFilterFactory"/> > <!-- less aggressive: <filter > class="solr.GermanMinimalStemFilterFactory"/> --> > <!-- more aggressive: <filter > class="solr.SnowballPorterFilterFactory" language="German2"/> --> > </analyzer> > </fieldType> > ... > > What is wrong with this schema? Respectively, what should I change to be > able to correctly do wildcard searches? > > Many thanks for your time. Cheers, > > christian > -- > Christian Ribeaud > Software Engineer (External) > NIBR / WSJ-310.5.17 > Novartis Campus > CH-4056 Basel > > > -----Original Message----- > From: Ahmet Arslan [mailto:iori...@yahoo.com] > Sent: Donnerstag, 11. August 2016 16:00 > To: solr-user@lucene.apache.org; Ribeaud, Christian (Ext) > Subject: Re: Wildcard search not working > > Hi Chiristian, > > The query r?che may not return at least the same number of matches as > roche depending on your analysis chain. > The difference is roche is analyzed but r?che don't. Wildcard queries are > executed on the indexed/analyzed terms. > For example, if roche is indexed/analyzed as roch, the query r?che won't > match it. > > Please see : https://wiki.apache.org/solr/MultitermQueryAnalysis > > Ahmet > > > > On Thursday, August 11, 2016 4:42 PM, "Ribeaud, Christian (Ext)" > <christian.ribe...@novartis.com> wrote: > Hi, > > What would be the reasons making the wildcard search for Lucene Query > Parser NOT working? > > We are using Solr 5.4.1 and, using the admin console, I am triggering for > instance searches with term 'roche' in a specific core. Everything fine, > I am getting for instance two matches. I would expect at least the same > number of matches with term 'r?che'. However, this does NOT happen. I am > getting zero matches. Same problem occurs with 'r*che'. 'roch?' does not > work neither but 'roch*' works. > > Switching debug mode brings following output: > > "debug": { > "rawquerystring": "roch?", > "querystring": "roch?", > "parsedquery": "text:roch?", > "parsedquery_toString": "text:roch?", > "explain": {}, > "QParser": "LuceneQParser", > ... > > Any idea? Thanks and cheers, > > christian
