es聚合查询语句

POST activity_skc/_search
{
  "query": {
    "match_all": {}
  },
  "size": 0,
  "aggs": {
    "brandAgg": {
      "terms": {
        "field": "brand_id",
        "size": 20,
        "order": {
          "sumSoldCount": "desc"
        }
      },
      "aggs": {
        "sumSoldCount": {
          "sum": {
            "field": "sold_num"
          }
        },
        "minDiscountNum": {
          "min": {
            "script": {
              "lang": "painless",
        "source": " doc['ypc_price'].value/doc['market_price'].value * 10"
            }
          }
        },
         "maxDiscountNum": {
          "max": {
            "script": {
              "lang": "expression",
              "source": "doc['ypc_price']/doc['market_price']*10"
            }
          }
        },
        "tophits": {
          "top_hits": {
            "_source": [
              "brand_id",
              "brand_name",
              "ypc_price",
              "market_price"
            ],
            "size": 1
          }
        }
      }
    }
  }
}