groupby elasticsearch

GET usertag/usertag/_search

{

    "query": {

        "match": {

            "tagname": "春节"

        }

    },

    "size": 0,

    "aggs": {

        "myname1": {

            "terms": {

                "field": "id.keyword"

            },

            "aggs": {

                "myname2": {

                    "terms": {

                        "field": "username.keyword"

                    }

                }

            }

        }

    }

}