*:* is parsed as a MatchAllDocsQuery? I've got some preformance issues in Lucene 2.2 because MatchAllDocsQuery ask for a "isDeleted()" for every document, I didn't tried it in 2.3.
On Tue, Mar 11, 2008 at 11:34 AM, Mark Miller <[EMAIL PROTECTED]> wrote: > You cannot have a purely negative query like you can in Solr. > > Try: *:* -MY_FIELD_NAME:[* TO *] > > thogau wrote: > > Hi, > > > > > > I browsed the forum searching for a way to make a query that retrieves > > document that do not have any value for a given field (say MY_FIELD_NAME). > > > > > > I read several posts advising to use this syntax : -MY_FIELD_NAME:[* TO *] > > However, I am not able to have it working... > > > > > > I have 2 documents, the first one has a value for the field MY_FIELD_NAME > > (In Luke, I can see the value) and the second one has no value for it (In > > Luke, I can see<not available>) > > > > > > I would expect the query MY_FIELD_NAME:[* TO *] to retrieve the document > > which has a value for the field MY_FIELD_NAME but it doesn't (Nevertheless > > MY_FIELD_NAME:[a* TO z*] retrieves it) > > > > > > Also, I would expect the query -MY_FIELD_NAME:[* TO *] to retrieve the > > document which has a NO value for the field MY_FIELD_NAME but it doesn't > > either... > > > > > > I guess I am missing something obvious but I am stuck... Anybody can help > to > > understand what I am doing wrong? > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
