Elasticsearch Group By

groupby.es

POST /questoes_sf/questao/_search
{
  "size": 0,
  "query": {
    "term": {
        "instituicao.dominio": "na"
    }
  },
  "aggs": {
    "group_by_comparador": {
        "terms": {
            "field": "comparador",
            "size": 0,
            "order": {
                "_count": "desc"
            },
            "min_doc_count": 2
        },
        "aggs": {
            "questoes": {
                "terms": {
                    "field": "id",
                    "size": 0
                }
            }
        }
    }
  }
}