Another more modern option, very related to this, is to use DateRangeField in 5.0. You have full 64 bit precision. More info is in the Solr Ref Guide.
If Alessandro sticks with RPT, then the best reference to give is this: http://wiki.apache.org/solr/SpatialForTimeDurations ~ David https://www.linkedin.com/in/davidwsmiley > On May 21, 2015, at 11:49 AM, Holger Rieß <holger.ri...@werkzeug-eylert.de> > wrote: > > Give geospatial search a chance. Use the > 'SpatialRecursivePrefixTreeFieldType' field type, set 'geo' to false. > The date is located on the X-axis, prices on the Y axis. > For every price you get a horizontal line between start and end date. Index a > rectangle with height 0.001(< 1 cent) and width 'end date - start date'. > > Find all prices that are valid on a given day or in a given date range with > the 'geofilt' function. > > The field type could look like (not tested): > > <fieldType name="price_date_range" > class="solr.SpatialRecursivePrefixTreeFieldType" > geo="false" distErrPct="0.025" maxDistErr="0.000009" units="degrees" > worldBounds="1 0 366 100000000" /> > > Faceting possibly can be done with a facet query for every of your price > ranges. > For example day 20, price range 0-5$, rectangle: <field name="pdr">20.0 0.0 > 21.0 5.0</field>. > > Regards Holger >
