Sample ElasticSearch session for ngram

gistfile1.txt

Settings:

curl -XPUT 'http://127.0.0.1:9200/test/?pretty=1'  -d '
{
   "settings" : {
      "analysis" : {
         "filter" : {
            "edge_ngram" : {
               "side" : "front",
               "max_gram" : 20,
               "min_gram" : 1,
               "type" : "edgeNGram"
            }
         },
         "analyzer" : {
            "ascii_ngram" : {
               "filter" : [
                  "standard",
                  "lowercase",
                  "asciifolding",
                  "nGram"
               ],
               "type" : "custom",
               "tokenizer" : "standard"
            },
            "ascii_std" : {
               "filter" : [
                  "standard",
                  "lowercase",
                  "asciifolding"
               ],
               "type" : "custom",
               "tokenizer" : "standard"
            },
            "ascii_edge_ngram" : {
               "filter" : [
                  "standard",
                  "lowercase",
                  "asciifolding",
                  "edge_ngram"
               ],
               "type" : "custom",
               "tokenizer" : "standard"
            }
         }
      }
   }
}
'

{
  "ok" : true,
  "acknowledged" : true
}

Mapping:

curl -XPUT 'http://127.0.0.1:9200/test/website/_mapping?pretty=1'  -d '
{
   "website" : {
      "properties" : {
         "uri" : {
            "type" : "string",
            "include_in_all" : 0,
            "index_analyzer" : "ascii_ngram",
            "search_analyzer" : "ascii_std"
         }
      }
   }
}
'

{
  "ok" : true,
  "acknowledged" : true
}


Inserting Doc:

curl -XPOST 'http://127.0.0.1:9200/test/website?pretty=1'  -d '
{
   "uri" : "http://www.heise.de"
}
'
{
  "ok" : true,
  "_index" : "test",
  "_type" : "website",
  "_id" : "4ZmkqRU5QSynba8ta2gOSQ",
  "_version" : 1
}

Query:

curl -XGET 'http://127.0.0.1:9200/test/website/_search?pretty=1'  -d '
{
   "query" : {
      "field" : {
         "uri" : "heis"
      }
   }
}
'
{
  "took" : 2,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "failed" : 0
  },
  "hits" : {
    "total" : 0,
    "max_score" : null,
    "hits" : [ ]
  }
}