On Apr 27, 2010, at 4:02 PM, Király Péter wrote:
> Dear Solr users,
>
> I am interesting, whether it is possible to get date facets without
> intersecting
> ranges. Now the documents which stands on boundaries of ranges are covered
> by both ranges. An example:
>
> facet result (from Solr):
> <int name="1000-01-01T00:00:00Z">3</int>
> <int name="1100-01-01T00:00:00Z">3</int>
> <int name="1200-01-01T00:00:00Z">12</int>
>
> If we translate into queries, it means that the number of document
> matching query date_fc:[1000-01-01T00:00:00Z TO 1100-01-01T00:00:00Z] is 3,
> and the number of document matching query
> date_fc:[1100-01-01T00:00:00Z TO 1200-01-01T00:00:00Z] is 3 as well.
> I have a document with date 1100-01-01T00:00:00Z, and it matches
> both queries. I haven't found such parameters for date facets, but maybe you
> know
> a Solr secret, which prevents this intersection. I can do it with query
> facets,
> but that seems to be more complicated, than the very comfortable date facet
> parameters.
You should be able to do inclusive/exclusive ranges using the query parser by
mixing matching brackets [] and braces {}. See
http://lucene.apache.org/java/2_9_1/queryparsersyntax.html#Range%20Searches
--------------------------
Grant Ingersoll
http://www.lucidimagination.com/
Search the Lucene ecosystem using Solr/Lucene:
http://www.lucidimagination.com/search
