我正在Elasticsearch中搜索“Adana”这个词,并希望它能够排在最前面,因为它是确切的词,但事实并非如此.
相反,“Bilmemne Adana Otel”名列前茅.
普通查询没有任何好处,所以我尝试使用“must”和“should”进行布尔查询.但它也没有改变任何东西.
除此之外,如果我写“阿达”,“阿达纳”也应该首先出现.
我们怎样才能使它正常工作?
查询:
curl -X GET "localhost:9200/destinations/_search" -H 'Content-Type:
application/json' -d'
{
"query": {
"match": {
“Name”: {
"query": “Adana”
}
}
}
}
'
结果:
{
"took" : 16,
"timed_out" : false,
"_shards" : {
"total" : 5,
"successful" : 5,
"skipped" : 0,
"failed" : 0
},
"hits" : {
"total" : 3,
"max_score" : 3.255435,
"hits" : [
{
"_index" : "destinations",
"_type" : "_doc",
"_id" : "10",
"_score" : 3.255435,
"_source" : {
"name" : "Bilmemne Adana Otel"
}
},
{
"_index" : "destinations",
"_type" : "_doc",
"_id" : "4",
"_score" : 2.8624198,
"_source" : {
"name" : "Adana"
}
},
{
"_index" : "destinations",
"_type" : "_doc",
"_id" : "1",
"_score" : 2.3216834,
"_source" : {
"name" : "Adana Airport Otel - Adana"
}
}
]
}
}
指数:
{
"settings": {
"analysis": {
"filter": {
"autocomplete_filter": {
"type": "edge_ngram",
"min_gram": 2,
"max_gram": 15
}
},
"analyzer": {
"autocomplete": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"lowercase",
"autocomplete_filter"
]
}
}
}
},
"mappings": {
"_doc": {
"properties": {
"name": {
"type": "text",
"analyzer": "autocomplete",
"search_analyzer": "standard"
}
}
}
}
}
最佳答案 如果您希望完全匹配,则可以在映射中使用关键字字段.
{
"settings": {
"analysis": {
"filter": {
"autocomplete_filter": {
"type": "edge_ngram",
"min_gram": 3,
"max_gram": 15
}
},
"analyzer": {
"autocomplete": {
"type": "custom",
"tokenizer": "standard",
"filter": [
"lowercase",
"autocomplete_filter"
]
}
}
}
},
"mappings": {
"_doc": {
"properties": {
"name": {
"type": "text",
"fields": {
"keyword": {
"type": "keyword"
}
},
"analyzer": "autocomplete",
"search_analyzer": "standard"
}
}
}
}
}
然后,您可以在should查询中使用您的关键字的bool查询.
{
"query": {
"bool": {
"must": [
{
"match": {
"name": "Adana"
}
}
],
"should": [
{
"term": {
"name.keyword": {
"value": "Adana"
}
}
}
]
}
}
}
这应该将完全匹配推到顶部.