Thank you Jorge. I didn't know about that filter. It's just what I was looking for.
- Hayden On Wed, Jul 16, 2014 at 4:35 PM, Jorge Luis Betancourt Gonzalez < jlbetanco...@uci.cu> wrote: > Perhaps what you’re trying to do could be addressed by using the > EdgeNGramFilterFactory filter? For query suggestions I’m using a very > similar approach, this is an extract of the configuration I’m using: > > <tokenizer class="solr.StandardTokenizerFactory"/> > <filter class="solr.RemoveDuplicatesTokenFilterFactory"/> > <filter class="solr.WordDelimiterFilterFactory" generateWordParts="1" > generateNumberParts="1" catenateWords="0" catenateNumbers="0" > catenateAll="0" splitOnCaseChange="1"/> > <filter class="solr.LowerCaseFilterFactory"/> > <filter class="solr.EdgeNGramFilterFactory" maxGramSize=“10" > minGramSize="1"/> > > Basically this allows you to get partial matches from any part of the > string, let’s say the field get’s this content at index time: "A brown > fox”, this document will be matched by the query (“bro”) for instance. My > personal recommendation is to use this in a separated field that get’s > populated through a copyField, this way you could apply different boosts. > > Greetings, > > On Jul 16, 2014, at 2:00 PM, Hayden Muhl <haydenm...@gmail.com> wrote: > > > A copy field does not address my problem, and this has nothing to do with > > stored fields. This is a query parsing problem, not an indexing problem. > > > > Here's the use case. > > > > If someone has a username like "bob-smith", I would like it to match > > prefixes of "bo" and "sm". I tokenize the username into the tokens "bob" > > and "smith". Everything is fine so far. > > > > If someone enters "bo sm" as a search string, I would like "bob-smith" to > > be one of the results. The query to do this is straight forward, > > "username:bo* username:sm*". Here's the problem. In order to construct > that > > query, I have to tokenize the search string "bo sm" **on the client**. I > > don't want to reimplement tokenization on the client. Is there any way to > > give Solr the string "bo sm", have Solr do the tokenization, then treat > > each token like a prefix? > > > > > > On Tue, Jul 15, 2014 at 4:55 PM, Alexandre Rafalovitch < > arafa...@gmail.com> > > wrote: > > > >> So copyField it to another and apply alternative processing there. Use > >> eDismax to search both. No need to store the copied field, just index > it. > >> > >> Regards, > >> Alex > >> On 16/07/2014 2:46 am, "Hayden Muhl" <haydenm...@gmail.com> wrote: > >> > >>> Both fields? There is only one field here: username. > >>> > >>> > >>> On Mon, Jul 14, 2014 at 6:17 PM, Alexandre Rafalovitch < > >> arafa...@gmail.com > >>>> > >>> wrote: > >>> > >>>> Search against both fields (one split, one not split)? Keep original > >>>> and tokenized form? I am doing something similar with class name > >>>> autocompletes here: > >>>> > >>>> > >>> > >> > https://github.com/arafalov/Solr-Javadoc/blob/master/JavadocIndex/JavadocCollection/conf/schema.xml#L24 > >>>> > >>>> Regards, > >>>> Alex. > >>>> Personal: http://www.outerthoughts.com/ and @arafalov > >>>> Solr resources: http://www.solr-start.com/ and @solrstart > >>>> Solr popularizers community: > >> https://www.linkedin.com/groups?gid=6713853 > >>>> > >>>> > >>>> On Tue, Jul 15, 2014 at 8:04 AM, Hayden Muhl <haydenm...@gmail.com> > >>> wrote: > >>>>> I'm working on using Solr for autocompleting usernames. I'm running > >>> into > >>>> a > >>>>> problem with the wildcard queries (e.g. username:al*). > >>>>> > >>>>> We are tokenizing usernames so that a username like "solr-user" will > >> be > >>>>> tokenized into "solr" and "user", and will match both "sol" and "use" > >>>>> prefixes. The problem is when we get "solr-u" as a prefix, I'm having > >>> to > >>>>> split that up on the client side before I construct a query > >>>> "username:solr* > >>>>> username:u*". I'm basically using a regex as a poor man's tokenizer. > >>>>> > >>>>> Is there a better way to approach this? Is there a way to tell Solr > >> to > >>>>> tokenize a string and use the parts as prefixes? > >>>>> > >>>>> - Hayden > >>>> > >>> > >> > > VII Escuela Internacional de Verano en la UCI del 30 de junio al 11 de > julio de 2014. Ver www.uci.cu >
