Xapian discuss - Jun 2012 - Search not finding queries with stop words.

I have a search in perl that looks a bit like:

     my $qp = new Search::Xapian::QueryParser();

     $qp->set_stemmer(new Search::Xapian::Stem("english"));
     $qp->set_stemming_strategy(STEM_SOME);
     $qp->set_default_op($defaultop);
...
     my $par = $qp->parse_query($query);
     my $enq = $xDatabase->enquire( $par );

and in the db create script:

my $stopper = Search::Xapian::SimpleStopper->new();
foreach my $word (@ar) {
     $stopper->add($word);
}

...
             my $doc     = Search::Xapian::Document->new();
             my $indexer = Search::Xapian::TermGenerator->new();
             my $stemmer = Search::Xapian::Stem->new('english');
             $doc->set_data($jsonText);
             $indexer->set_stemmer($stemmer);
             $indexer->set_stopper($stopper);
             $indexer->set_document($doc);
             $indexer->index_text($docBody);
             $indexer->increase_termpos();

             $indexer->index_text($subject);
... (other index_text and add_value calls)
             $xdb->add_document($doc);

If I look for something like index of elements, I get no results even 
though that phrase exists (no, I don't do a phrase search, just those 
three words separated by spaces).  However if I leave off the "of" I
get
the expected number of hits.  I'm guessing I have to remove the stop 
words from the query?  I default to OP_OR so I would think it would 
work.  Can anyone shed some light on this?

Thanks,
Jim.

On Mon, Jun 04, 2012 at 12:31:05PM -0400, Jim Lynch
wrote:
> If I look for something like index of elements, I get no results even  
> though that phrase exists (no, I don't do a phrase search, just those  
> three words separated by spaces).  However if I leave off the
"of" I get
> the expected number of hits.  I'm guessing I have to remove the stop  
> words from the query?  I default to OP_OR so I would think it would  
> work.  Can anyone shed some light on this?
Yes, you need to set the same stopper at query time too.

There are some helpful tips for debugging this sort of situation here:

http://trac.xapian.org/wiki/FAQ/NoMatches

Cheers,
    Olly