elasticsearch多个字段分组查询

GET /work_order_olap/_search
{
  "size": 0,
  "aggs": {
    "group_by_field": {
      "terms": {
        "size": 2,
        "script": "doc['material_no'] +'####'+doc['material_name']+'####'+doc['material_category']"
      }
      ,"aggs":{
        "total_material_cost":{
          "sum": {
            "field": "total_material_cost"
          }
        }
      }
    }
   
  }
}

方法2

GET /work_order_olap/_search
{
  "size": 0,
  "aggs": {
    "group_by_field": {
      "composite": {
        "size": 1200,
        "sources": [
          {
            "material_no": {
              "terms": {
                "field": "material_no"
              }
            }
          }
          , {
            "material_name": {
              "terms": {
                "field": "material_name"
              }
            }
          }
          , {
            "material_category": {
              "terms": {
                "field": "material_category"
              }
            }
          }
        ]
      }
      ,"aggs":{
        "total_material_cost":{
          "sum": {
            "field": "material_quantity"
          }
        }
      }
    }
   
  }
}