erickerickson at gmail
Jul 30, 2007, 5:01 PM
Post #6 of 6
(497 views)
Permalink
|
|
Re: Running query text through an Analyzer without QueryParser?
[In reply to]
|
|
*SpanNearQuery<file:///C:/lucene-2.1.0/docs/api/org/apache/lucene/search/spans/SpanNearQuery.html#SpanNearQuery%28org.apache.lucene.search.spans.SpanQuery%5B%5D,%20int,%20boolean%29>
*(SpanQuery<file:///C:/lucene-2.1.0/docs/api/org/apache/lucene/search/spans/SpanQuery.html>[]
clauses,
int slop, boolean inOrder)
Erick
On 7/30/07, Joe Attardi <jattardi[at]gmail.com> wrote:
>
> What about the case where I want to search a MAC address? For example,
> 00:14:da:81:21:4f will be split by the StandardTokenizer as the tokens
> "00", "14", "da", "81", "21", and "4f".
>
> Suppose I want to search for 00:14:da:81:21:4f. In the search box, I type
> 00:14:da:81:21:4f. But because these are all separate tokens, it would
> still
> find a match if it had all the tokens but in a different order - for
> example, that query would also find a MAC of da:14:4f:21:00:81. Is there
> some way to enforce the order in which terms appear, or should I just
> index
> a MAC address as UN_TOKENIZED ?
>
> Thanks
>
> --
> Joe Attardi
> jattardi[at]gmail.com
> http://thinksincode.blogspot.com/
>
> On 7/30/07, Ard Schrijvers <a.schrijvers[at]hippo.nl> wrote:
> >
> >
> > >
> > > So then would I just concatenate the tokens together to form
> > > the query text?
> >
> > You might better create a TermQuery for each token instead of
> > concatenating, and combine them in a BooleanQuery and say wether all
> terms
> > must or should occur. Very simple, see [1]
> >
> > Regards Ard
> >
> > [1]
> >
> http://lucene.zones.apache.org:8080/hudson/job/Lucene-Nightly/javadoc/org/apache/lucene/search/BooleanQuery.html
> >
> > >
> > > --
> > > Joe Attardi
> > > jattardi[at]gmail.com
> > > http://thinksincode.blogspot.com/
> > >
> > > On 7/30/07, Erick Erickson <erickerickson[at]gmail.com> wrote:
> > > >
> > > > Would this work?
> > > >
> > > > TokenStream ts = StandardAnalyzer.tokenStream();
> > > > while ((Token tok = ts.next()) != null) {
> > > > do whatever
> > > > }
> > > >
> > > > Best
> > > > Erick
> > > >
> > > > On 7/30/07, Joe Attardi <jattardi[at]gmail.com> wrote:
> > > > >
> > > > > Following up on my recent question. It has been suggested
> > > to me that I
> > > > can
> > > > > run the query text through an Analyzer without using the
> > > QueryParser.
> > > > For
> > > > > example, if I know what field to be searched I can create
> > > a PrefixQuery
> > > > or
> > > > > WildcardQuery, but still want to process the search text
> > > with the same
> > > > > Analyzer that did the indexing. How do I run a query
> > > through an Analyzer
> > > > > without using the QueryParser... is this possible?
> > > > >
> > > >
> > >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: java-user-unsubscribe[at]lucene.apache.org
> > For additional commands, e-mail: java-user-help[at]lucene.apache.org
> >
> >
>
|
