es_mapping.json

GET users/_mapping/
{
  "users": {
    "mappings": {
      "_doc": {
        "properties": {
          "date_of_birth": {
            "type": "long"
          },
          "description": {
            "type": "text",
            "fields": {
              "keyword": {
                "type": "keyword",
                "ignore_above": 256
              }
            }
          },
          "name": {
            "type": "text",
            "fields": {
              "keyword": {
                "type": "keyword",
                "ignore_above": 256
              }
            }
          }
        }
      }
    }
  }
}