Hey,
do you use the query you passed to rewrite to extract the terms or the
query returned from rewrite?
you should do it like this:
Query q = ...
q = indexSearcher.rewrite(q);
...
simon
On Thu, Sep 15, 2011 at 6:02 AM, S Eslamian <seslam...@gmail.com> wrote:
> I have an instance of IndexSearcher and then call rewrite method with the
> query.
> IndexRear ir = IndexReader.open("directory path",true);
> IndexSearcher indexSearcher = new IndexSearcher(ir);
> indexSearcher.rewrite(query);
>
>
> On Wed, Sep 14, 2011 at 10:03 PM, Simon Willnauer
> <simon.willna...@googlemail.com> wrote:
>>
>> how do you rewrite your query?
>>
>> simon
>>
>> On Tue, Sep 13, 2011 at 9:22 AM, S Eslamian <seslam...@gmail.com> wrote:
>> > Hi
>> > I am using QueryTermExtractor.getTerms for finding the terms of a given
>> > query in lucene 3.0.3. In it's document has said that "Utility class
>> > used to
>> > extract the terms used in a query, plus any weights. This class will not
>> > find terms for MultiTermQuery, RangeQuery and PrefixQuery classes so the
>> > caller must pass a rewritten query (see Query.rewrite) to obtain a list
>> > of
>> > expanded terms.", but for these queries - MultiTermQuery, RangeQuery and
>> > PrefixQuery - even rewritten query, it doesn't return the correct list
>> > of
>> > expanded terms.
>> > What should I do? For example for e PrefixQuery like 'hell*' it returns
>> > 'hell*' instead of " 'hell' and 'hello' and ... ";
>> >
>>
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