Question

Im using Solr 3.5.0, and in Schema I have enabled the LowerCaseFilterFactory in all needed fields, bbut When I search for example “shirts” im able to get the results, also when I search for “SHIRTS” i’m able to get expected results, but when I try to search with “shiRTs” its not giving the results. I know I’m missing some thing in Schema.

Please help me on this.

Thanks

Jeyaprakash.

Answer 1

Apply the same analysers and filters at both index and query time, so the the queries you search for match the tokens index.

As in your case –
If you apply the Lower case filter at index time but not at query time :-
Index token will be shirts, However as the search query is not analyzed SHIRTS or even Shirts will not match indexed shirts token.

The same would apply if you are using stemmers, stopwords or other filters.

http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#Analyzers

Analyzers are components that pre-process input text at index time
and/or at search time. It’s important to use the same or similar
analyzers that process text in a compatible manner at index and query
time. For example, if an indexing analyzer lowercases words, then the
query analyzer should do the same to enable finding the indexed words.