Filename elasticsearch

filename_elaticsearch

{
    "settings" : {
        "number_of_shards" : 2,
        "analysis" : {
            "filter" : {
                "filename_ngrams_front" : {
                    "side" : "front",
                    "max_gram" : 20,
                    "min_gram" : 2,
                    "type" : "edgeNGram"
                },
                "filename_ngrams_middle" : {
                    "max_gram" : 20,
                    "min_gram" : 2,
                    "type" : "nGram"
                },
                "filename_ngrams_back" : {
                    "side" : "back",
                    "max_gram" : 20,
                    "min_gram" : 2,
                    "type" : "edgeNGram"
                }
            },
            "analyzer" : {
                "full_filename" : {
                    "filter" : [
                        "standard",
                        "lowercase",
                        "asciifolding"
                     ],
                    "type":"custom",
                    "tokenizer":"standard"
                },
                "partial_filename_front" : {
                    "filter" : [
                        "standard",
                        "lowercase",
                        "asciifolding",
                        "filename_ngrams_front"
                     ],
                    "type":"custom",
                    "tokenizer":"standard"
                },
                "partial_filename_middle" : {
                    "filter" : [
                        "standard",
                        "lowercase",
                        "asciifolding",
                        "filename_ngrams_middle"
                     ],
                    "type":"custom",
                    "tokenizer":"standard"
                },
                "partial_filename_back" : {
                    "filter" : [
                        "standard",
                        "lowercase",
                        "asciifolding",
                        "filename_ngrams_back"
                     ],
                    "type":"custom",
                    "tokenizer":"standard"
                }
            }
        }
    },
    "mappings" : {
        "news_post" : {
            "properties" : {
                "filename" : {
                    "fields" : {
                        "filename" : {
                            "type" :"string",
                            "analyzer" : "full_filename",
                            "null_value" : "null"
                        },
                        "partial_front" : {
                            "type" : "string",
                            "search_analyzer" : "full_filename",
                            "index_analyzer" : "partial_filename_front"
                        },
                        "partial_middle" : {
                            "type" : "string",
                            "search_analyzer" : "full_filename",
                            "index_analyzer" : "partial_filename_middle"
                        },
                        "partial_back" : {
                            "type" : "string",
                            "search_analyzer" : "full_filename",
                            "index_analyzer" : "partial_filename_back"
                        }
                    },
                    "type" : "multi_field"
                }
            }
        }
    }
}

// query

{"query":{"bool":{"must":[],"must_not":[],"should":[{"text":{"filename":"ever"}}]}},"from":0,"size":50,"sort":[],"facets":{}}

// results

{"took":0,"timed_out":false,"_shards":{"total":2,"successful":2,"failed":0},"hits":{"total":0,"max_score":null,"hits":[]}}