Aggregate by License

body.json

{
  "query": {
    "range": {
      "date": {
        "gt": "2010-06-05T00:00:00",
        "lt": "2011-06-05T00:00:00"
      }
    }
  },
  "aggs": {
    "license": {
      "terms": {
        "field": "license",
        "size": 10
      }
    }
  },
  "size": 0
}

endpoint.txt

/v1/release

response.json

{
   "timed_out" : false,
   "hits" : {
      "hits" : [],
      "max_score" : 1,
      "total" : 22489
   },
   "_shards" : {
      "failed" : 0,
      "successful" : 5,
      "total" : 5
   },
   "took" : 150,
   "facets" : {
      "license" : {
         "other" : 106,
         "terms" : [
            {
               "count" : 14886,
               "term" : "perl_5"
            },
            {
               "count" : 4705,
               "term" : "unknown"
            },
            {
               "count" : 1134,
               "term" : "open_source"
            },
            {
               "count" : 695,
               "term" : "artistic_2"
            },
            {
               "count" : 303,
               "term" : "mit"
            },
            {
               "count" : 230,
               "term" : "artistic_1"
            },
            {
               "count" : 197,
               "term" : "bsd"
            },
            {
               "count" : 94,
               "term" : "apache_2_0"
            },
            {
               "count" : 78,
               "term" : "freebsd"
            },
            {
               "count" : 61,
               "term" : "unrestricted"
            }
         ],
         "missing" : 0,
         "_type" : "terms",
         "total" : 22489
      }
   }
}

/cpan_v1/release/_search
{
  "query": {
    "range": {
      "date": {
        "gt": "2010-06-05T00:00:00",
        "lt": "2011-06-05T00:00:00"
      }
    }
  },
  "aggs": {
    "license": {
      "terms": {
        "field": "license",
        "size": 10
      }
    }
  },
  "size": 0
}