: unique terms) but I agree with Erik on the ExternalFileField as you can use : it just inside a function query, for example, for boosting.
with {!frange} it would be trivial to filter based on values in an ExternalFileField ... whether that would be *faster* then a custom plugin that worked similar to ExternalFileField but only provided boolean logic for set membership would require some testing. : > > I was also intrigued by the Join feature in 4.0 trunk (SOLR-2272). In : > this : > > case, I would keep my access data in a separate core, and do cross-core : > > join queries. The two cores would have about the same number of documents watch out with this approach, cross-core joins have remained undocumented because they are fairly broken... https://issues.apache.org/jira/browse/SOLR-2824 -Hoss