Thanks Erick but unfortunately NumberTools works only with long primitive type I am wondering why you didn't put some method for double and float.
On 8/13/07, Nilesh Bansal <[EMAIL PROTECTED]> wrote: > > Thanks. Probably this should be mentioned on the documentation page. > > -Nilesh > > On 8/12/07, Erick Erickson <[EMAIL PROTECTED]> wrote: > > As has been discussed several times, Lucene is a string-only engine, and > > has no native understanding of numerical values. You have to normalize > > them for string searches. See NumberTools. > > > > Best > > Erick > > > > On 8/11/07, Nilesh Bansal <[EMAIL PROTECTED]> wrote: > > > > > > Hi all, > > > > > > Lucene query parser synax page > > > (http://lucene.apache.org/java/docs/queryparsersyntax.html) provides > > > the following two examples of range query: > > > mod_date:[20020101 TO 20030101] > > > and > > > title:{Aida TO Carmen} > > > > > > Now my question is, numerically 10 is greater than 2, but in > > > string-only comparison 2 is greater than 10. So if I search for > > > field:[10 TO 30] > > > will a document with field=2 will be in result or not. > > > > > > And if I search for a string field, > > > field:[AA TO CC] > > > will document with field="B" will be in result or not. > > > > > > The semantics of range is not clear (numerical or lexicographical) > > > from the documentation. > > > > > > thanks > > > Nilesh > > > > > > -- > > > Nilesh Bansal. > > > http://queens.db.toronto.edu/~nilesh/ > > > > > > --------------------------------------------------------------------- > > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > > > > > > -- > Nilesh Bansal. > http://queens.db.toronto.edu/~nilesh/ > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- Regards, Mohammad -------------------------- see my blog: http://brainable.blogspot.com/ another in Persian: http://fekre-motefavet.blogspot.com/
