Hello, I'm not sure but it sounds like an issue, would you mind to raise one at https://issues.apache.org/jira/projects/SOLR/ ?
On Sun, Feb 17, 2019 at 6:57 PM Arvydas Silanskas < nma.arvydas.silans...@gmail.com> wrote: > Good evening, > > I am using facet json api to query aggregation data, and I don't care about > the returned documents themselves. One of the use cases I want to employ is > tagging filter queries for fields, and then exclude those filters when > faceting. My problem is, however, that in those cases where the filter has > 0 matches, the facets aren't calculated at all. > > I'm using dataset I found at > https://www.raspberry.nl/2010/12/29/solr-test-dataset/ . To illustrate -- > this is an an example when filter doesn't filter out everything (working as > expected): > > Request: > { > "query": "*:*", > "facet": { > "latitude_f": { > "type": "range", > "start": -90, > "facet": { > "population": "sum(population_i)" > }, > "domain": { > "excludeTags": "latitude_f" > }, > "gap": 10, > "end": -70, > "field": "latitude_f" > } > }, > "limit": 0, > "filter": [ > "{!tag=latitude_f}latitude_f:[-80.0 TO -70.0]" > ] > } > > Response: > > { > "facets": { > "count": 1, > "latitude_f": { > "buckets": [ > { > "val": -90, > "count": 0 > }, > { > "val": -80, > "count": 1, > "population": 1258 > } > ] > } > } > } > > > Example when filter filters everything out: > > Request is the same, except the filter field value is > > "filter": [ > "{!tag=latitude_f}latitude_f:[-90.0 TO -80.0]" > ] > > and response is > > "facets":{ > "count":0} > > . I'm returned no facets whatsoever. However I'd expect the response to be > the same as and for the first request, since the only one filter is used, > and is excluded in faceting. > > Is this a bug? What are the workarounds for such problem? > -- Sincerely yours Mikhail Khludnev
