MatchAllDocsQuery.
It's in the FAQ.
http://wiki.apache.org/lucene-java/LuceneFAQ#How_does_one_determine_which_documents_do_not_have_a_certain_term.3F
--
Ian.
On Wed, Oct 5, 2011 at 8:11 PM, Sam Jiang wrote:
> Hi
>
> I'm struggling to figure out a way to query for the non-existence of some
> fi
Hi
I'm struggling to figure out a way to query for the non-existence of some
fields. e.g. matches all documents that doesn't contain field X
I tried:
BooleanQuery q = new BooleanQuery();
q.add(new BooleanClause(
new TermQuery(new Term("fieldName", "*")),