I got it. Thank you. On Tue, May 15, 2012 at 2:31 PM, Uwe Schindler <u...@thetaphi.de> wrote:
> > Hello > > I have a question about this new feature in lucene 3.6 : > > " The QueryParser now interprets * as an open end for range queries. > > Literal asterisks may be represented by quoting or escaping (i.e. \* or > > "*") Custom QueryParser subclasses overriding getRangeQuery() will be > > passed null for any open endpoint" > > > > Does it mean if I have this : QueryParser queryParser = new QueryParser > > (version,f,a); > > queryParser.parse("blu*"); > > > > QueryParser assumes it as a RangeQuery like this : [blu TO ]?!!! > > Does it call getRangeQuery() method? or I'm making a mistake in the > > concept of this feature... . > > > > No it just means: > > A query like "[blu TO *]" is working and maps to > TermRangeQuery.newStringRange(...,"blu",null,...), which is a half open > range. Before you had to do this yourself in the > newRangeQuery/getRangeQuery method (and you still need to do this for > fields that are Numeric unless you use the new flxible query parser in > contrib, which knows the existence of numeric fields since 3.4 or like > so). > > The conventional wildcard syntax does not change. > > Uwe > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > >