You're using edismax which has the "mm" parameter that you can think of as a sliding scale between pure OR and pure AND. What happens if you set it to zero?
As for maxboolean clauses, the easiest/fasted way around that would be to use an "fq" clause and the TermsQueryParser. Best, Erick On Thu, Nov 15, 2018 at 7:52 AM Danilo Tomasoni <tomas...@cosbi.eu> wrote: > > Hello all, > > I'm performing some queries with a big list of terms in OR on our solr > instance, > > and this odd situation happened > > > - A. query with N alternatives returns ~130.000 documents > > - B. query with N-3 alternatives returns ~ 6.000.000 documents > > > N is relatively small in this case, but in general can be large. > > > How it's possible that if I specify less terms to match the number of > results get higher? > > The query is fully positive (no - or NOT inside). > > > Query A/B are attached. > > I also tried with debug=all and I noticed > > "parsedquery": "+(DisjunctionMaxQuery((abstract_methods:tuberculosi | > ... ) DisjunctionMaxQuery( | .. | .. ) > > > just on the first sub-parenthesis of the query. why is that? is this the > reason of the change in number of results? if yes, how can I create a > pure-or query (everything optional?) > > > If you are wondering why I'm adding sub-parenthesis, that's to avoid the > max boolean clauses error (If you know some other method that allows > phrase searches please tell me) > > > Thank you > > Danilo > > > > > -- > Danilo Tomasoni > COSBI > > As for the European General Data Protection Regulation 2016/679 on the > protection of natural persons with regard to the processing of personal data, > we inform you that all the data we possess are object of treatement in the > respect of the normative provided for by the cited GDPR. > > It is your right to be informed on which of your data are used and how; you > may ask for their correction, cancellation or you may oppose to their use by > written request sent by recorded delivery to The Microsoft Research – > University of Trento Centre for Computational and Systems Biology Scarl, > Piazza Manifattura 1, 38068 Rovereto (TN), Italy. >
