[英]ElasticSearch - fuzzy search java api results are not proper
我在elasticsearch中索引了示例文檔,並嘗試使用模糊查詢進行搜索。 但是使用Java模糊查詢api搜索時沒有得到任何結果。
請在下面找到我的映射腳本:
PUT productcatalog
{
"settings": {
"analysis": {
"analyzer": {
"attr_analyzer": {
"type": "custom",
"tokenizer": "letter",
"char_filter": [
"html_strip"
],
"filter": ["lowercase", "asciifolding", "stemmer_minimal_english"]
}
},
"filter" : {
"stemmer_minimal_english" : {
"type" : "stemmer",
"name" : "minimal_english"
}
}
}
},
"mappings": {
"doc": {
"properties": {
"values": {
"type": "text",
"analyzer": "attr_analyzer"
},
"catalog_type": {
"type": "text"
},
"catalog_id":{
"type": "long"
}
}
}
}
}
請找到我的樣本數據。
PUT productcatalog/doc/1
{
"catalog_id" : "343",
"catalog_type" : "series",
"values" : "Activa Rooftop, valves, VG3000, VG3000FS, butterfly, ball"
}
PUT productcatalog/doc/2
{
"catalog_id" : "12717",
"catalog_type" : "product",
"values" : "Activa Rooftop, valves"
}
請找到我的搜索腳本:
GET productcatalog/_search
{
"query": {
"match" : {
"values" : {
"query" : " activa rooftop VG3000",
"operator" : "and",
"boost": 1.0,
"fuzziness": 2,
"prefix_length": 0,
"max_expansions": 100
}
}
}
}
我正在獲取上述查詢的以下結果:
{
"took": 239,
"timed_out": false,
"_shards": {
"total": 5,
"successful": 5,
"skipped": 0,
"failed": 0
},
"hits": {
"total": 1,
"max_score": 0.970927,
"hits": [
{
"_index": "productcatalog",
"_type": "doc",
"_id": "1",
"_score": 0.970927,
"_source": {
"catalog_id": "343",
"catalog_type": "series",
"values": "Activa Rooftop, valves, VG3000, VG3000FS, butterfly, ball"
}
}
]
}
}
但是,如果我對相同的模糊搜索使用以下Java API,則不會得到任何結果。
請找到我下面的Java API查詢進行模糊搜索:
QueryBuilder qb = QueryBuilders.boolQuery()
.must(QueryBuilders.fuzzyQuery("values", keyword).boost(1.0f).prefixLength(0).maxExpansions(100));
更新1
我已經嘗試過以下查詢
QueryBuilder qb = QueryBuilders.matchQuery(QueryBuilders.fuzzyQuery("values", keyword).boost(1.0f).prefixLength(0).maxExpansions(100));
但是無法在QueryBuilders
內部傳遞matchQuery
。 在編寫此查詢時得到了這個建議The method matchQuery(String, Object) in the type QueryBuilders is not applicable for the arguments (FuzzyQueryBuilder)
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