多字段或语句查询
GET /book/_validate/query?explain { "query": { "multi_match": { "query": "童话故事大全", "fields": ["name", "description"] } } }
- 解释模式
GET /book/_validate/query?explain { "query": { "multi_match": { "query": "童话故事大全", "fields": ["name", "description"] } } }
- match
GET /book/_validate/query?explain { "query": { "multi_match": { "query": "童话故事大全", "fields": ["name", "description"] } } }
- 对分词or或者and查询
GET /book/_search { "query": { "match": { "name": { "query": "童话故事大全", "operator": "and" } } } }
- term
GET /book/_search { "query": { "term": { "name": { "value": "中华故事" } } } }
不会对name进行分词，直接使用
中华故事进行作关键字查询
GET /book/_search { "query": { "terms": { "name": [ "中华", "故事" ] } } }
有
中华和故事其中之一即可
- 最小匹配查询
#分析一下看下分了几个词 GET /book/_analyze { "field": "name", "text": "故事大全" } #最小匹配查询 GET /book/_search { "query": { "match": { "name": { "query": "故事大全", #最少匹配两个词 "minimum_should_match": 2 } } } }
- 多字段添加权重
GET /book/_search { "query": { "multi_match": { "query": "花朵", "fields": ["name^10","description"] } } }
- 权重平滑处理，更加突出权重，最大值加上其他值的0.3倍
GET /book/_search { "query": { "multi_match": { "query": "花朵", "fields": ["name^10","description"], "tie_breaker": 0.3 } } }
- 取最好的字段
GET /book/_search { "query": { "multi_match": { "query": "大自然的旅行故事", "fields": ["name","description"], "type": "best_fields" } } }
- 多字段分值相加
GET /book/_search { "query": { "multi_match": { "query": "大自然的旅行故事", "fields": ["name","description"], "type": "most_fields" } } }
- query_string
GET /book/_search { "query": { "query_string": { "default_field": "name", "query": "大自然 AND 旅行" } } }
可使用 AND OR NOT
- bool查询
- should查询，其中有一个条件为true即可，但true越多的排在越前面
GET /book/_search { "query": { "bool": { "should": [ { "match": { "name": "安徒生" } }, { "match": { "description": "丑小鸭" } } ] } } }
- must查询，必须全部为true
GET /book/_search { "query": { "bool": { "must": [ { "match": { "name": "安徒生" } }, { "match": { "description": "丑小鸭" } } ] } } }
- must_not，必须全部为false
GET /book/_search { "query": { "bool": { "must_not": [ { "match": { "name": "安徒生" } }, { "match": { "description": "丑小鸭" } } ] } } }
- filter
GET /book/_search { "query": { "bool": { "filter": [ { "range": { "price": { "lte": 2000, "gte": 1 } } }, { "match": { "name":"故事" } } ] } } , "sort": [ { "commentNum": { "order": "desc" } } ] }
- 同义词查询
- 在每个es的
config/analysis-ik新建文件夹synonyms.txt - 编辑以下内容
苹果,iphone,apple 美丽,漂亮,气质好
- 建立索引
PUT /tests { "settings": { "number_of_replicas": 1, "number_of_shards": 1, "analysis": { "filter": { "my_synonym_filter": { "type": "synonym", "synonyms_path": "analysis-ik/synonyms.txt" } }, "analyzer": { "ik_syno": { "type": "custom", "tokenizer": "ik_smart", "filter": [ "my_synonym_filter" ] }, "ik_syno_max": { "type": "custom", "tokenizer": "ik_max_word", "filter": [ "my_synonym_filter" ] } } } }, "mappings": { "_doc": { "properties": { "name": { "type": "text", "analyzer": "ik_syno_max", "search_analyzer": "ik_syno" } } } } }
- 插入两条数据
POST /tests/_doc/1/_create { "name":"苹果" } POST /tests/_doc/2/_create { "name":"apple" }
- 尝试同义词查询
GET /tests/_search { "query": { "match": { "name": "iphone" } } }
- 查询结果
{ "took" : 38, "timed_out" : false, "_shards" : { "total" : 1, "successful" : 1, "skipped" : 0, "failed" : 0 }, "hits" : { "total" : 2, "max_score" : 0.33425623, "hits" : [ { "_index" : "tests", "_type" : "_doc", "_id" : "1", "_score" : 0.33425623, "_source" : { "name" : "苹果" } }, { "_index" : "tests", "_type" : "_doc", "_id" : "2", "_score" : 0.33425623, "_source" : { "name" : "apple" } } ] } }
