elasticsearch - elastic search aggregation on more than one field -


i new elastic search , want implement specific use case on it. want have multi field sum aggregation. try explain on example: have following objects inserted es index:

{"a":"aval", "b":"bval", "c":"cval", "aggcount":100}

where a,b , strings , aggcount int. let's assume have following records indexed:

{"a":"aa", "b":"bb", "c":"cc", "aggcount":10} {"a":"aa", "b":"bb", "c":"cc", "aggcount":11} {"a":"aa", "b":"b", "c":"c", "aggcount":1} {"a":"a", "b":"bb", "c":"cc", "aggcount":12} {"a":"a", "b":"bb", "c":"cc", "aggcount":5}

now group records fields a,b , c , sum aggcount values, previous records following result:

{"a":"aa", "b":"bb", "c":"cc", "count":21} {"a":"aa", "b":"b", "c":"c", "count":1} {"a":"a", "b":"bb", "c":"cc", "aggcount":17}

can tell me how achieve this? tried nested significant_terms , sum aggregations didn't succeed. in advance.

use sub-aggregations:

{   "aggs": {     "aggs_a": {       "terms": {         "field": "a"       },       "aggs": {         "aggs_b": {           "terms": {             "field": "b"           },           "aggs": {             "aggs_c": {               "terms": {                 "field": "c"               },               "aggs": {                 "summing": {                   "sum": {                     "field": "aggcount"                   }                 }               }             }           }         }       }     }   } }

test data , results:

post /test_index/test_type/_bulk {"index":{}} {"a":"aa", "b":"bb", "c":"cc", "aggcount":10} {"index":{}} {"a":"aa", "b":"bb", "c":"cc", "aggcount":11} {"index":{}} {"a":"aa", "b":"b", "c":"c", "aggcount":1} {"index":{}} {"a":"a", "b":"bb", "c":"cc", "aggcount":12} {"index":{}} {"a":"a", "b":"bb", "c":"cc", "aggcount":5}

gives:

   "hits": {       "total": 5,       "max_score": 0,       "hits": []    },    "aggregations": {       "aggs_a": {          "doc_count_error_upper_bound": 0,          "sum_other_doc_count": 0,          "buckets": [             {                "key": "aa",                "doc_count": 3,                "aggs_b": {                   "doc_count_error_upper_bound": 0,                   "sum_other_doc_count": 0,                   "buckets": [                      {                         "key": "bb",                         "doc_count": 2,                         "aggs_c": {                            "doc_count_error_upper_bound": 0,                            "sum_other_doc_count": 0,                            "buckets": [                               {                                  "key": "cc",                                  "doc_count": 2,                                  "summing": {                                     "value": 21                                  }                               }                            ]}},                      {                         "key": "b",                         "doc_count": 1,                         "aggs_c": {                            "doc_count_error_upper_bound": 0,                            "sum_other_doc_count": 0,                            "buckets": [                               {                                  "key": "c",                                  "doc_count": 1,                                  "summing": {                                     "value": 1                                  }                               }                            ]}]}             },             {                "key": "a",                "doc_count": 2,                "aggs_b": {                   "doc_count_error_upper_bound": 0,                   "sum_other_doc_count": 0,                   "buckets": [                      {                         "key": "bb",                         "doc_count": 2,                         "aggs_c": {                            "doc_count_error_upper_bound": 0,                            "sum_other_doc_count": 0,                            "buckets": [                               {                                  "key": "cc",                                  "doc_count": 2,                                  "summing": {                                     "value": 17                                  }                               }                            ] }}]}}]}}}

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