Hi, How about indexing a dummy token for empty docs? that way you may pick up all docs that are actually null/empty by querying for the dummy token. Make sure that the dummy token is never a part of any actual document (token stream). Perhaps this should work!
-- Anshum Gupta Naukri Labs! http://ai-cafe.blogspot.com The facts expressed here belong to everybody, the opinions to me. The distinction is yours to draw............ On Thu, Mar 11, 2010 at 4:34 AM, Tom Hill <solr-l...@worldware.com> wrote: > Oops. I was thinking solr. > > How about this, to find docs that don't have a value in the weight field? > > TermRangeQuery trq = new TermRangeQuery("weight", null, null, true, true > ); > > BooleanQuery bq = new BooleanQuery(); > > bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST); > > bq.add(trq, BooleanClause.Occur.MUST_NOT); > > > > Tom > > > On Wed, Mar 10, 2010 at 2:11 PM, Tom Hill <solr-l...@worldware.com> wrote: > > > Try > > > > -fieldname:[* TO *] > > > > as in > > > > > > > http://localhost:8983/solr/select/?q=-weight%3A[*+TO+*]&version=2.2&start=0&rows=10&indent=on > > > > Tom > > > > On Wed, Mar 10, 2010 at 1:48 PM, bgd <woods5242-photogra...@yahoo.com > >wrote: > > > >> Hi, > >> I have a bunch of documents which do not have a particular field > defined. > >> How can define a query do retrieve only those documents? > >> > >> Thanks! > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > >> > > >
