Solr index is case-sensitive by default, unless you used the lower case filter. I remember I saw this topic on Solr, and the solution is simple:
copy the filed; use a new analyzer/tokenizer to process this field, and do not use lower case filter when query, make sure both fields are included. On Mon, Dec 3, 2012 at 3:04 PM, Joe Zhang <smartag...@gmail.com> wrote: > In other words, what I wanted to achieve is case-senstive indexing on a > small set of words. Can anybody help? > > On Sun, Dec 2, 2012 at 11:56 PM, Joe Zhang <smartag...@gmail.com> wrote: > > > To be more specific, this is the data type I was using: > > > > <fieldType name="textspecial" class="solr.TextField" > > positionIncrementGap="100"> > > <analyzer> > > <tokenizer class="solr.StandardTokenizerFactory"/> > > <filter class="solr.KeepWordFilterFactory" > > words="tickers.txt" ignoreCase="false"/> > > <filter class="solr.StopFilterFactory" > > ignoreCase="true" words="stopwords.txt"/> > > <filter class="solr.WordDelimiterFilterFactory" > > generateWordParts="1" generateNumberParts="1" > > catenateWords="1" catenateNumbers="1" catenateAll="0" > > splitOnCaseChange="1"/> > > <filter class="solr.LowerCaseFilterFactory"/> > > <filter class="solr.EnglishPorterFilterFactory" > > protected="protwords.txt"/> > > <filter class="solr.RemoveDuplicatesTokenFilterFactory"/> > > </analyzer> > > </fieldType> > > > > > > On Sun, Dec 2, 2012 at 11:51 PM, Joe Zhang <smartag...@gmail.com> wrote: > > > >> yes, that is the correct behavior. But how do I achieve my goal, i.e, > >> speical treatment on a list of uppercase/special words, normal > treatment on > >> everything else? > >> > >> > >> On Sun, Dec 2, 2012 at 11:46 PM, Xi Shen <davidshe...@gmail.com> wrote: > >> > >>> By the definition on > >>> > >>> > https://lucene.apache.org/solr/api-3_6_1/org/apache/solr/analysis/KeepWordFilter.html > >>> , > >>> I am pretty sure it is the correct behavior of this filter :) > >>> > >>> I guess you are trying to this filter to index some special words in > >>> Chinese? > >>> > >>> > >>> On Mon, Dec 3, 2012 at 1:54 PM, Joe Zhang <smartag...@gmail.com> > wrote: > >>> > >>> > I defined the following data type in my solr schema.xml > >>> > > >>> > <fieldtype name="testkeep" class="solr.TextField"> > >>> > <analyzer> > >>> > <filter class="solr.KeepWordFilterFactory" words="keepwords.txt" > >>> > ignoreCase="false"/> > >>> > </analyzer> > >>> > </fieldtype> > >>> > > >>> > when I use the type "testkeep" to index a test field, my true > >>> expecation > >>> > was to make sure solr indexes the uppercase form of a small list of > >>> words > >>> > in the file, AND TREAT EVERY OTHER WORD AS USUAL. The goal of > securing > >>> the > >>> > closed list is achieved, but NO OTHER WORD outside the list is > indexed! > >>> > > >>> > Can anybody help? Thanks in advance! > >>> > > >>> > Joe > >>> > > >>> > >>> > >>> > >>> -- > >>> Regards， > >>> David Shen > >>> > >>> http://about.me/davidshen > >>> https://twitter.com/#!/davidshen84 > >>> > >> > >> > > > -- Regards， David Shen http://about.me/davidshen https://twitter.com/#!/davidshen84
