Thanks Lance. I'll give that a try going forward. On Wed, Aug 25, 2010 at 9:59 PM, Lance Norskog <goks...@gmail.com> wrote:
> Here's the problem: the standard Solr parser is a little weird about > negative queries. The way to make this work is to say > *:* AND -field:[* TO *] > > This means "select everything AND only these documents without a value > in the field". > > On Wed, Aug 25, 2010 at 7:55 PM, Max Lynch <ihas...@gmail.com> wrote: > > I was trying to filter out all documents that HAVE that field. I was > trying > > to delete any documents where that field had empty values. > > > > I just found a way to do it, but I did a range query on a string date in > the > > Lucene DateTools format and it worked, so I'm satisfied. However, I > believe > > it worked because all of my documents have values for that field. > > > > Oh well. > > > > -max > > > > On Wed, Aug 25, 2010 at 9:45 PM, scott chu (朱炎詹) <scott....@udngroup.com > >wrote: > > > >> Excuse me, what's the hyphen before the field name 'date_added_solr'? > Is > >> this some kind of new query format that I didn't know? > >> > >> <delete><query>-date_added_solr:[* TO *]</query></delete>' > >> > >> ----- Original Message ----- > >> From: "Max Lynch" <ihas...@gmail.com> > >> To: <solr-user@lucene.apache.org> > >> Sent: Thursday, August 26, 2010 6:12 AM > >> Subject: Delete by query issue > >> > >> > >> > Hi, > >> > I am trying to delete all documents that have null values for a > certain > >> > field. To that effect I can see all of the documents I want to delete > by > >> > doing this query: > >> > -date_added_solr:[* TO *] > >> > > >> > This returns about 32,000 documents. > >> > > >> > However, when I try to put that into a curl call, no documents get > >> deleted: > >> > curl http://localhost:8985/solr/newsblog/update?commit=true -H > >> > "Content-Type: text/xml" --data-binary > >> '<delete><query>-date_added_solr:[* > >> > TO *]</query></delete>' > >> > > >> > Solr responds with: > >> > <response> > >> > <lst name="responseHeader"><int name="status">0</int><int > >> > name="QTime">364</int></lst> > >> > </response> > >> > > >> > But nothing happens, even if I explicitly issue a commit afterward. > >> > > >> > Any ideas? > >> > > >> > Thanks. > >> > > >> > >> > >> > >> > -------------------------------------------------------------------------------- > >> > >> > >> > >> %<&b6G$J0T.'$$'d(l/f,r!C > >> Checked by AVG - www.avg.com > >> Version: 9.0.851 / Virus Database: 271.1.1/3093 - Release Date: 08/25/10 > >> 14:34:00 > >> > > > > > > -- > Lance Norskog > goks...@gmail.com >
