gistfile1.txt

DELETE test
PUT test
{
  "settings": {
    "number_of_shards": 1,
    "analysis": {
      "filter": {
        "autocomplete_filter": {
          "type": "edge_ngram",
          "min_gram": 1,
          "max_gram": 20
        },
        "custom_shingle": {
          "type": "shingle",
          "min_shingle_size": 2,
          "max_shingle_size": 3,
          "output_unigrams": true
        },
        "my_char_filter": {
          "type": "pattern_replace",
          "pattern": " ",
          "replacement": ""
        }
      },
      "analyzer": {
        "autocomplete": {
          "type": "custom",
          "tokenizer": "standard",
          "filter": [
            "lowercase",
            "custom_shingle",
            "autocomplete_filter",
            "my_char_filter"
          ]
        }
      }
    }
  },
  "mappings": {
    "my_type": {
      "properties": {
        "item_id": {
          "type": "string",
          "analyzer": "autocomplete",
          "search_analyzer": "standard"
        },
        "item_name": {
          "type": "string",
          "analyzer": "autocomplete",
          "search_analyzer": "standard",
          "fields": {
            "keyword": {
              "type": "keyword"
            }
          }
        }
      }
    }
  }
}
POST /test/my_type/_bulk
{"index":{}}
{"item_id":1,"item_name":"Pin"}
{"index":{}}
{"item_id":2,"item_name":"Mickey Pin"}
{"index":{}}
{"item_id":3,"item_name":"Blue Pin"}
{"index":{}}
{"item_id":4,"item_name":"Cap"}
{"index":{}}
{"item_id":5,"item_name":"Baseball Cap"}
{"index":{}}
{"item_id":6,"item_name":"Red Cap"}
GET test/_search
{
  "query": {
    "bool": {
      "should": [
        {
          "multi_match": {
            "fields": [
              "item_name",
              "item_id"
            ],
            "query": "Pin",
            "fuzziness": "AUTO"
          }
        },
        {
          "term": {
            "item_name.keyword": {
              "value": "Pin"
            }
          }
        }
      ]
    }
  },
  "highlight": {
    "fields": {
      "item_name": {},
      "item_id": {}
    }
  }
}