As oppossed to like i want to find everything less than < 6.00 Sent from my iPhone
> On Oct 20, 2023, at 7:05 AM, Michael Wechner <michael.wech...@wyona.com> > wrote: > > Hi Adrien > > Thank you very much for your feedback as well! > > I just replaced the StringField by KeywordField :-) > > Thanks > > Michael > >> Am 20.10.23 um 14:13 schrieb Adrien Grand: >> FYI there is also KeywordField, which combines StringField and >> SortedSetDocValuesField. It supports filtering, sorting, faceting and >> retrieval. It's my go-to field for string values. >> >> Le ven. 20 oct. 2023, 12:20, Michael McCandless <luc...@mikemccandless.com> >> a écrit : >> >> There are some differences. >> >> StringField is indexed into the inverted index (postings) so you >> can do >> efficient filtering. You can also store in stored fields to retrieve. >> >> FacetField does everything StringField does (filtering, storing >> (maybe?)), >> but in addition it stores data for faceting. I.e. you can compute >> facet >> counts or simple aggregations at search time. >> >> FacetField is also hierarchical: you can filter and facet by different >> points/levels of your hierarchy. >> >> Mike McCandless >> >> http://blog.mikemccandless.com >> >> >> On Fri, Oct 20, 2023 at 5:43 AM Michael Wechner >> <michael.wech...@wyona.com> >> wrote: >> >> > Hi >> > >> > I have found the following simple Facet Example >> > >> > >> > >> >> https://github.com/apache/lucene/blob/main/lucene/demo/src/java/org/apache/lucene/demo/facet/SimpleFacetsExample.java >> > >> > whereas for a simple categorization of documents I currently use >> > StringField, e.g. >> > >> > doc1.add(new StringField("category", "book")); >> > doc1.add(new StringField("category", "quantum_physics")); >> > doc1.add(new StringField("category", "Neumann")) >> > doc1.add(new StringField("category", "Wheeler")) >> > >> > doc2.add(new StringField("category", "magazine")); >> > doc2.add(new StringField("category", "astro_physics")); >> > >> > which works well, but would it be better to use Facets for this, >> e.g. >> > >> > doc1.add(new FacetField("media-type", "book")); >> > doc1.add(new FacetField("topic", "physics", "quantum"); >> > doc1.add(new FacetField("author", "Neumann"); >> > doc1.add(new FacetField("author", "Wheeler"); >> > >> > doc1.add(new FacetField("media-type", "magazine")); >> > doc1.add(new FacetField("topic", "physics", "astro"); >> > >> > ? >> > >> > IIUC the StringField approach is more general, whereas the >> FacetField >> > approach allows to do a more specific categorization / search. >> > Or do I misunderstand this? >> > >> > Thanks >> > >> > Michael >> > >> > >> > >> > >> --------------------------------------------------------------------- >> > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> > For additional commands, e-mail: java-user-h...@lucene.apache.org >> > >> > >> --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
