elasticsearch ngram analyzer with multifields

ngram_analyzer_multifield.json

DELETE my_index

PUT my_index
{
  "settings": {
    "analysis": {
      "analyzer": {
        "my_analyzer": {
          "filter": ["english_stop", "lowercase"],
          "tokenizer": "my_tokenizer"
        }
      },
      "filter": {
        "english_stop": {
          "type": "stop",
          "stopwords": [
            "_english_"
          ]
        }
      },
      "tokenizer": {
        "my_tokenizer": {
          "type": "ngram",
          "min_gram": 3,
          "max_gram": 3,
          "token_chars": [
            "letter",
            "digit"
          ]
        }
      }
    }
  },
  "mappings": {
    "my_type": {
      "properties": {
        "text": { 
          "type": "text",
          "fields": {
            "english": { 
              "type":     "text",
              "analyzer": "english"
            },
            "ngrams": {
              "type": "text",
              "analyzer": "my_analyzer"
            }
          }
        }
      }
    }
  }
}

POST my_index/_analyze
{
  "analyzer": "my_analyzer",
  "text": "The Quick Brown Foxes"
}

PUT my_index/my_type/1
{ "text": "quick brown fox" } 

PUT my_index/my_type/2
{ "text": "quick brown foxes" }

PUT my_index/my_type/3
{ "text": "some new child care program" }

PUT my_index/my_type/4
{ "text": "some other childcare program" }

PUT my_index/my_type/5
{ "text": "some other child_care program" }


PUT my_index/my_type/

GET my_index/_search
{
  "query": {
    "multi_match": {
      "query": "child care",
      "fields": [ 
        "text",
        "text.english",
        "text.ngrams"
      ],
      "type": "most_fields",
      "analyzer": "standard"
    }
  }
}

try searching for terms

• childcare
• child care
• child_care