ElasticSearch

gistfile1.txt

curl -XPOST http://localhost:9200/test/?pretty=true -d '{
  "settings": {
    "analysis": {
      "filter": {
        "edgengram_filter": {
          "type":     "edgeNGram",
          "max_gram": 20,
          "min_gram": 2, 
          "side":     "front"
        }
        
      },
      "analyzer": {

        "partial_match_edge": {
          "tokenizer":    "standard",
          "filter":       ["standard", "lowercase", "asciifolding", "edgengram_filter"],
          "type":         "custom"
        }
      
      }
    }
  },
  "mappings": {
    "documents": {
      "properties": {
        "description": { "type": "string", "analyzer": "partial_match_edge" }
      }
    }
  }
}'

curl -XPOST http://localhost:9200/test/documents/1?pretty=true -d '{
  "description": "elasticsearch"
}'

curl -XPOST http://localhost:9200/test/documents/_search?pretty=true -d '{
  "query": {
    "text": {
      "description": "elasticsearches"
    }
  }
}'