json - Elasticsearch function_score与 bool

Question

我试图结合 bool(boolean) 搜索功能。但我不知道。它给我一个错误:没有为[functions_score]注册查询。

因此，它找不到用于将functions_score应用于的查询。有什么想法吗？谢谢!

"body": {
"query": {
  "functions_score": {
    "query": {
      "bool": {
        "must": [
          {
            "query_string": {
              "fields": [
                "title",
                "description"
              ],
              "query": "zalan*",
              "analyzer": "default",
              "default_operator": "AND"
            }
          },
          {
            "range": {
              "from": {
                "lt": 1432201614
              }
            }
          }
        ],
        "should": [
          {
            "range": {
              "to": {
                "gt": 1432201614
              }
            }
          },
          {
            "constant_score": {
              "filter": {
                "missing": {
                  "field": "to"
                }
              }
            }
          }
        ],
        "minimum_should_match": 1
      }
    },
    "functions": [
      {
        "boost_factor": 2
      },
      {
        "field_value_factor": {
          "field": "number_of_clicks",
          "factor": 1.1,
          "modifier": "sqrt"
        }
      },
      {
        "field_value_factor": {
          "field": "webshop_popular",
          "factor": 10,
          "modifier": "sqrt"
        }
      }
    ]
  }
},
"size": 20,
"sort": [
  {
    "webshop_popular": {
      "order": "desc",
      "mode": "avg"
    }
  },
  {
    "type": {
      "order": "asc",
      "mode": "avg"
    }
  }
]
}

Answer 1

上面的查询dsl中有一个错字，应该是function_score而不是functions_score
同样在OP中的查询中看起来不像您使用分数对结果进行排序，在这种情况下，使用函数是多余的