But the current situation is: I can't search any result with "Z123456" when I type "Z123456" or "z123456".
I'm using StandardAnalyzer and by using luke, the value indexed is "Z123456". How can I fix this problem? 2009/3/4 Jokin Cuadrado <joki...@gmail.com> > the rationale behind using the lowercase filter, is that it would mach when > you search both of Z123456 and z132456, so the searchs are case > insensitive, > however, as with any filter, you must use the same analyzer when indexing > your documents, Are you doing that? > > On Wed, Mar 4, 2009 at 9:31 AM, Floyd Wu <floyd...@gmail.com> wrote: > > > Hi all, > > My problem is I have a field and the field is set to be Indexed & > Stored. > > The index value is Z123456. > > But when I using StandardAnalyzer to search this field, it seems that > > StandarAnalyzer will transaform my query text "Z123456" to "z123456". > After > > walk through source code, I found following lines: > > public override TokenStream TokenStream(System.String fieldName, > > System.IO.TextReader reader) > > { > > StandardTokenizer tokenStream = new StandardTokenizer(reader, > > replaceInvalidAcronym); > > tokenStream.SetMaxTokenLength(maxTokenLength); > > TokenStream result = new StandardFilter(tokenStream); > > result = new LowerCaseFilter(result); > > result = new StopFilter(result, stopSet); > > return result; > > } > > > > Why using LoweCasefilter() here? If I comment out this line, will I have > > any > > potential problems? > > I think my "Z123456" to "z123456" is transformed by this filter. > > > > > > -- > Jokin > Sent from: Sant cugat del valles Spain. >