Chris Hostetter wrote: > > I'm not sure wether this question is about docs that have no value for a > field, or docs where the value of the field is null - >
The former. Chris Hostetter wrote: > > adding a filter on that Field that requires *some* value might help. > Yep, that is what I would like. Chris Hostetter wrote: > > take a look at RangeFilter and set both the upper and lower terms to be > null -- > or if you need a Query and can't use a filter, do the same thing with > ConstantScoreRangeQuery. > This is like, it scores sth for each document that has a field, no matter the content? Chris Hostetter wrote: > > > : A newbie here, but I would think that fields will null value will slow > : down the search as much as fields with a specific non-conflicting > keyword. > : There is still a field to be looked at, even if it does not match. > > i believe you are correct ... it doesn't matter wether the Field value is > null or "" or "some_magic__toKen_$" it's still an instance of a term. > > Of course, not adding that Field value at all would actually make things a > lot better. > > I'm not sure wether this question is about docs that have no value for a > field, or docs where the value of the field is null -- but either way > adding a filter on that Field that requires *some* value might help. take > a look at RangeFilter and set both the upper and lower terms to be null -- > or if you need a Query and can't use a filter, do the same thing with > ConstantScoreRangeQuery. > > if what you mean by bull is really "" then you can still do the same thing > using "" as your lower term but don't be inclusive of the lower term. > > > > -Hoss > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > > -- View this message in context: http://www.nabble.com/How-to-return-results-with-null-values--tf3186799.html#a8870825 Sent from the Lucene - Java Users mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
