ElasticSearch with Auto suggestion

index.txt

curl -XPUT http://localhost:9200/suggestion -d '{
"mappings": {
    "address": {
      "properties": {
        "province_id": {"type": "integer"},
        "province_code": {"type": "string"},
        "province_name": {"type": "string"},
        "province_name_suggest" : {
          "type" :     "completion"
        }
      }
    }
  }
}'

query1.txt

{
  "address": {
    "text": "นคร",
    "completion": {
      "field": "province_name_suggest"
    }
  }
}

query2.txt

{
  "address": {
    "text": "นคร",
    "completion": {
      "field": "province_name_suggest",
      "size" : 10
    }
  }
}