Elasticsearch Indexing

Specifying the analyzer for a field in the mapping

You can define an analyzer both in the index_analyzer and the search_analyzer member over a field in the mapping process. Also, Elasticsearch allows you to use different analyzers in separate fields.

The following command shows us the mapping for the fields that an analyzer defined:

curl -XPUT localhost:9200/blog -d '{
  "mappings": {
    "article": {
      "properties": {
        "title": {
          "type": "string", "index_analyzer": "simple"
        },
        "content": {
          "type": "string", "index_analyzer": "whitespace", "search_analyzer": "standard"
        }
      }
    }
  }
}'
{"acknowledged":true}

We defined a simple analyzer to the title field, and whitespace analyzer to the content field by the preceding configuration. Also, the search analyzer refers ...