Hoss,
As I mentioned previously, I prefer to do this with as little java
code as possible. That's the motivation for me to take a look at solr.
Here is the code snippet.
OpenBitSet resultBitset = new OpenBitSet(this.searcher.maxDoc());
this.searcher.search(query, new HitCollector() {
@Override
public void collect(int docID, float arg1) {
resultBitset.set(docID);
}
});
Then I retrieve the stored field and look up the results present in
the resultBitset.
int[] docIDs = FieldCache.DEFAULT.getInts(this.luceneIndex.reader,
FIELD_DOCUMENT_ID);
I need to do this as I need all the matching results, but order is not
important (for this search.) In the index, the content field has term
vector with it, which I can't drop. There are other types of searches
where relevance ranking is required.
Can I achieve the same with Solr?
Thanks,
--shashi
On Fri, Sep 18, 2009 at 3:21 AM, Chris Hostetter
<hossman_luc...@fucit.org> wrote:
>
> : You will need to get SolrIndexSearcher.java and modify following:-
> :
> : public static final int GET_SCORES = 0x01;
>
> No. Do not do that. There is no reason for anyone, to EVER modify that
> line of code. Absolutely NONE!!!!
>
> If you've made that change to your version of Solr, pelase start a new
> thread on solr-user explaining your goal, and what things you tried before
> ultimately amking that change, because i garuntee you that if you are
> willing to modify java files to change that line, there will be a more
> general purpose reusable way to solve your goal besides that (which won't
> silently break alot of other functionality)
>
> : > No, I don't wish to put a custom Similarity. Rather, I want an
> : > equivalent of HitCollector where I can bypass the scoring altogether.
> : > And I prefer to do it by changing the configuration.
>
> ...there is no pure configuration way to obtain the same logic you could
> get from a custom HitCollector. You haven't elaborated on what exactly
> your HitCollector looked like, but so far you've mentioned that it
> ignored the scores, and used the FieldCache to get a field value w/o
> dealing with stored fields -- you can achieve something roughly
> functionally similar by writing a custom RequestHandler that uses
> SolrIndexSearcher.getDocSet (which skips scoring and sorting) and then
> iterate over that DocSet and fetch the values you want from the
> FieldCache.
>
> or you could write a RequestHandler that uses your HitCollector as is --
> but then you aren't really leveraging any value from Solr at all, the
> previous suggestion has the value add of utilizing Solr's filterCache for
> frequent queries (which can be really handy if your queries can be
> easily broken apart into pieces and dealt with using DocSet
> union/intersection operations -- like q/fq are dealt with in
> SearchHandler)
>
>
> -Hoss
>
>
