Ok with me. Scott
> -----Original Message----- > From: Doug Cutting [mailto:[EMAIL PROTECTED]] > Sent: Monday, January 21, 2002 12:41 PM > To: '[EMAIL PROTECTED]' > Subject: parsing range queries: should they be analyzed? > > > (I have some time to work on Lucene this week, so I'm going > through old > changes that I made and never had the time to commit or discuss.) > > It seems to me that the terms in a range query should not be > analyzed. If > one wishes to, e.g., look for terms starting with "intens", > one does not > want this to be stemmed to "inten" and have "intend" match. > > The diff for this change is below. > > Do folks agree, or are there reasons that range query terms must be > analyzed? > > Doug > > > > Index: QueryParser.jj > =================================================================== > RCS file: > /home/cvs/jakarta-lucene/src/java/org/apache/lucene/queryParse > r/QueryParser. > jj,v > retrieving revision 1.9 > diff -u -w -u -w -r1.9 QueryParser.jj > --- QueryParser.jj 17 Jan 2002 02:49:22 -0000 1.9 > +++ QueryParser.jj 21 Jan 2002 17:34:47 -0000 > @@ -204,39 +204,6 @@ > } > } > > - private Query getRangeQuery(String field, > - Analyzer analyzer, > - String queryText, > - boolean inclusive) > - { > - // Use the analyzer to get all the tokens. There should > be 1 or 2. > - TokenStream source = analyzer.tokenStream(field, > - new > StringReader(queryText)); > - Term[] terms = new Term[2]; > - org.apache.lucene.analysis.Token t; > - > - for (int i = 0; i < 2; i++) > - { > - try > - { > - t = source.next(); > - } > - catch (IOException e) > - { > - t = null; > - } > - if (t != null) > - { > - String text = t.termText(); > - if (!text.equalsIgnoreCase("NULL")) > - { > - terms[i] = new Term(field, text); > - } > - } > - } > - return new RangeQuery(terms[0], terms[1], inclusive); > - } > - > public static void main(String[] args) throws Exception { > QueryParser qp = new QueryParser("field", > new > org.apache.lucene.analysis.SimpleAnalyzer()); > @@ -287,8 +254,10 @@ > | <PREFIXTERM: <_TERM_START_CHAR> (<_TERM_CHAR>)* "*" > > | <WILDTERM: <_TERM_START_CHAR> > (<_TERM_CHAR> | ( [ "*", "?" ] ))* > > -| <RANGEIN: "[" ( ~[ "]" ] )+ "]"> > -| <RANGEEX: "{" ( ~[ "}" ] )+ "}"> > +| <RANGE_IN_OPEN: "[" > > +| <RANGE_IN_CLOSE: "]" > > +| <RANGE_EX_OPEN: "{" > > +| <RANGE_EX_CLOSE: "}" > > } > > <Boost> TOKEN : { > @@ -371,7 +340,7 @@ > > > Query Term(String field) : { > - Token term, boost=null; > + Token term, boost=null, term2=null; > boolean prefix = false; > boolean wildcard = false; > boolean fuzzy = false; > @@ -399,11 +368,20 @@ > else > q = getFieldQuery(field, analyzer, term.image); > } > - | ( term=<RANGEIN> { rangein=true; } | term=<RANGEEX> ) > - [ <CARAT> boost=<NUMBER> ] > + | ( > + (<RANGE_IN_OPEN> { rangein=true; } > + term=<TERM> > + (<MINUS> term2=<TERM>) > + <RANGE_IN_CLOSE>) > + | > + (<RANGE_EX_OPEN> > + term=<TERM> > + (<MINUS> term2=<TERM>) > + <RANGE_EX_CLOSE> ) > + ) > { > - q = getRangeQuery(field, analyzer, > - term.image.substring(1, > term.image.length()-1), > > + q = new RangeQuery(new Term(field, term.image), > + new Term(field, term2.image), > rangein); > } > | term=<QUOTED> > > -- > To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
