Elasticsearch Statistical Facets work with either script or filter, but not both example

gistfile1.txt

curl -XDELETE 'http://localhost:9200/tester
curl -XPUT 'http://localhost:9200/tester' -d '{}'
curl -XPUT 'http://localhost:9200/tester/test/_mapping' -d '{
    "authors": {
        "properties": {
            "name": {"type": "string"},
                    "records": {
                        "type": "object", "index": "not_analyzed", "include_in_parent":"true",
                        "properties": {
                            "name": {"type": "string", "index": "not_analyzed"},
                            "count": {"type": "integer", "index": "not_analyzed"}
                        }
                    }
                
            
        }
    }
}' && echo
 
curl -XPUT 'http://localhost:9200/tester/test/1' -d '{
  "name": "searchterm banana",
  "records": [
		        {"name": "weight1", "count": 16},
		        {"name": "weight2", "count": 54}
        	    ]
}' && echo
curl -XPUT 'http://localhost:9200/tester/test/1' -d '{
  "name": "searchterm banana second",
 		    "records": [
		        {"name": "weight3", "count": 6},
		        {"name": "weight6", "count": 5}
        	    ]
        
}' && echo
 
curl -XPOST 'http://localhost:9200/tester/_refresh' && echo

#JSON Queries
#valid results
{"query":
    {"query":
      {"filtered":
        {"query":
          {"match_all":
            {}
          }
        }
       }
     },
   "facets":{
        "counts":{
          "statistical":{
            "field":"records.count"
          },
          "facet_filter" : {
             "term" : { "name" : "kimchy"}
          }
        }
      }
        
  }

#valid results
{"query":
    {"query":
      {"filtered":
        {"query":
          {"match_all":
            {}
          }
        }
       }
     },
   "facets":{
        "counts":{
          "statistical":{
            "field":{
              "_script":{
                "script":"sum(doc['records.count'].values)",
                "lang":"python"
              }
            }
          }
        }
    }
  }

#non-real infinite results
{"query":
    {"query":
      {"filtered":
        {"query":
          {"match_all":
            {}
          }
        }
       }
     },
   "facets":{
        "counts":{
          "statistical":{
            "field":{
              "_script":{
                "script":"sum(doc['records.count'].values)",
                "lang":"python"
              }
            }
          },
          "facet_filter" : {
             "term" : { "name" : "kimchy"}
          }
        }
    }
  }