gistfile1.sh

curl -XPUT localhost:9200/test -d '{
    "settings" : {
        "analysis": {
            "analyzer" : {
                "name_nGram" : {
                    "tokenizer" : "standard",
                    "filter" : "standard,lowercase,name_nGram"
                },
                "name_edgeNGram" : {
                    "tokenizer" : "standard",
                    "filter" : "standard,lowercase,name_edgeNGram"
                }
            },
            "filter" : {
                "name_nGram" : {
                    "type" : "nGram",
                    "min_gram" : 3,
                    "max_gram" : 5
                },
                "name_edgeNGram" : {
                    "type" : "edgeNGram",
                    "min_gram" : 3,
                    "max_gram" : 20
                }
            }
        }
    },
    "mappings" : {
        "user" : {
            "_all" : {"enabled" : false},
            "properties" : {
                "uid" : {
                    "type" : "multi_field",
                    "fields" : {
                        "uid" : {
                            "type" : "string"
                        },
                        "nGram" : {
                            "type" : "string",
                            "index_analyzer" : "name_nGram",
                            "search_analyzer" : "standard"
                        },
                        "edgeNGram" : {
                            "type" : "string",
                            "analyzer" : "name_edgeNGram"
                        }
                    }
                }
            }
        }
    }
}'

curl 'localhost:9200/test/_analyze?pretty=1&analyzer=name_nGram' -d 'maoz.sh'
curl 'localhost:9200/test/_analyze?pretty=1&analyzer=name_edgeNGram' -d 'maoz.sh'

curl -XPUT localhost:9200/test/user/1 -d '{
    "uid" : "maoz.sh"
}'

# Won't find anything because maoz.sh is analyzed into a single token
curl localhost:9200/test/_search?pretty=1 -d '{
    "query" : {
        "text" : {
            "uid" : {
                "query" : "maoz"
            }
        }
    }
}'

# Will find it because its a prefix
curl localhost:9200/test/_search?pretty=1 -d '{
    "query" : {
        "text" : {
            "uid" : {
                "query" : "maoz",
                "type" : "phrase_prefix"
            }
        }
    }
}'


# Will find it because its a prefix (but with limit of max expansions)
curl localhost:9200/test/_search?pretty=1 -d '{
    "query" : {
        "text" : {
            "uid" : {
                "query" : "maoz",
                "type" : "phrase_prefix",
                "max_expansions" : 10
            }
        }
    }
}'


# Text query, but with ngram (no need for prefix) - applies ngram on the query as well (because its analyzed)
curl localhost:9200/test/_search?pretty=1 -d '{
    "query" : {
        "text" : {
            "uid.nGram" : {
                "query" : "maoz"
            }
        }
    }
}'

# uid.Ngram indexed with nGram, but, search with standard analyzer to create less tokens to search on
# another option is to define in the mapping an index_analyzer of name_nGram and search_analyzer of standard
curl localhost:9200/test/_search?pretty=1 -d '{
    "query" : {
        "text" : {
            "uid.nGram" : {
                "query" : "maoz",
                "analyzer" : "standard"
            }
        }
    }
}'