Find out which fields matched in a multi match query

Question

I am using a typical multi match query on three fields: name, city, state. The multi match query is also using a Java function score script. Is there any way to know in the

Answer 1

There is another exact way to find out which field is matched in the query

Because the highlight is post highlight process, it is not accurate because of the way it did

Just use named query to do it instead of multi-match

such as

  {
    "multi_match" : {
      "query" : "query phrase here",
      "fields" : [ "name", "tag", "categorys" ],
      "operator" : "AND"
  }

translate it into bool query with name

    "should": [
        {
            "match": {
               "name": {
                    "query": "query phrase here",
                    "_name":"name_field"
               }
            }
        },{
            "match": {
               "tag":{
                    "query": "query phrase here",
                    "_name":"tag_field"
               }
            }   
        },{
            "match": {
               "categorys":{
                    "query": "query phrase here",
                    "_name":"cat_field"
               }
            }
        }
     ]

it will return the result like that

     {
        "_index": "indexName",
        "_type": "type",
        "_id": "id",
        "_score": 0.27836448,
        "matched_queries": [
           "tag_field"
        ]
     },
     {
        "_index": "indexName",
        "_type": "type",
        "_id": "id",
        "_score": 0.27836448,
        "matched_queries": [
           "name_field",
           "tag_field"
        ]
     }