Hi, In Lucene you don't need to use a query parser for that, especially because range Queries is suboptimal and slow: There is already a very fast query/filter available. Ahmet Arslan already mentioned that, we had the same discussion a few weeks ago: http://find.searchhub.org/document/abb73b45a48cb89e
Uwe ----- Uwe Schindler H.-H.-Meier-Allee 63, D-28213 Bremen http://www.thetaphi.de eMail: u...@thetaphi.de > -----Original Message----- > From: Jack Krupansky [mailto:jack.krupan...@gmail.com] > Sent: Wednesday, January 07, 2015 10:17 PM > To: java-user@lucene.apache.org > Subject: Re: Looking for docs that have certain fields empty (an/or not set) > > Oops... I take that back! After I clicked Send I realized that this is the > Lucene > list - what I said is true for Solr queries, but that is because Solr added a > "hack" to do things properly, but the Lucene query parser doesn't have that > hack, so Erick is correct. > > -- Jack Krupansky > > On Wed, Jan 7, 2015 at 4:15 PM, Jack Krupansky > <jack.krupan...@gmail.com> > wrote: > > > The pure negative query should work fine as a top level query - it's > > just when nested as a sub-query within parentheses that it misbehaves. > > > > -- Jack Krupansky > > > > On Wed, Jan 7, 2015 at 11:30 AM, Erick Erickson > > <erickerick...@gmail.com> > > wrote: > > > >> Should be, but it's a bit confusing because the query syntax is not > >> pure boolean, so there's no set to take away the docs with entries in > >> field 1, you need the match all docs bit, i.e. > >> *:* -field1:[* TO *] > >> > >> (That's asterisk:asterisk -field1:[* TO *] in case the silly list > >> interprets the asterisks as markup) > >> > >> There's some special magic in filter query processing to handle this > >> case, but not in the main query parser. > >> > >> Best, > >> Erick > >> > >> On Wed, Jan 7, 2015 at 8:14 AM, Clemens Wyss DEV > >> <clemens...@mysign.ch> > >> wrote: > >> > Say I wanted to find documents which have no content in "field1" > >> > (or > >> dosuments that have no field 'field1'), wouldn't that be the > >> following query? > >> > -field1:[* TO *] > >> > > >> > Thanks for you help > >> > Clemens > >> > > >> > ------------------------------------------------------------------- > >> > -- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> > For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > >> For additional commands, e-mail: java-user-h...@lucene.apache.org > >> > >> > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
