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查詢語(yǔ)句：?

GET /lib4/user/_search {"query": {"term": {"interests":"唱歌"}} }#terms:查詢某個(gè)字段里含有多個(gè)關(guān)鍵詞的文檔 GET /lib4/user/_search {"query":{"terms":{"interests": ["喝酒","唱歌"]}} }

?數(shù)據(jù)準(zhǔn)備：

#2.7.1數(shù)據(jù)準(zhǔn)備 PUT /lib4 { "settings":{"number_of_shards" : 3, "number_of_replicas" :0},"mappings":{"user":{"properties":{"name": {"type":"text","analyzer":"ik_max_word"}, "address": {"type":"text","analyzer": "ik_max_word"},"age": {"type" :"integer"},"interests": {"type":"text","analyzer": "ik_max_word"},"birthday": {"type":"date"}}}} }

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#ik芾有兩個(gè)分詞器 #ik_max_word :會(huì)將文本做最細(xì)粒度的拆分;盡可能多的拆分出詞語(yǔ) #ik_smart:會(huì)做最粗粒度的斥分;已被分出的詞語(yǔ)將不會(huì)再次被其它詞語(yǔ)占有 #2.7.2 term查詢和terms查詢 #term query會(huì)去倒排索引中尋找確切的term，它并不知道分詞器的存在。 #這種查詢適合keyword、numeric、date. #term:查詢某個(gè)字段里含有某個(gè)關(guān)鍵詞的文檔

添加5個(gè)文檔：?

PUT /lib4/user/1 {"name" : "趙六","address" : "黑龍江省 鐵嶺","age" : 50,"birthday" : "1970-12-12","interests": "喜歡喝酒,鍛煉,說(shuō)相聲" }PUT /lib4/user/2 {"name" :"趙明","address" :"北京海淀區(qū)清河","age" : 20,"birthday" : "1998-10-12" ,"interests": "喜歡喝酒,鍛煉,唱歌" }PUT /lib4/user/3 {"name" : "lisi","address" :"北京海淀區(qū)清河","age" : 23,"birthday" : "1998-10-12","interests": "喜歡喝酒,鍛煉,唱歌" }PUT /lib4/user/4 {"name" :"王五","address" : " 北京海淀區(qū)清河","age" : 26,"birthday" : "1995-10-12","interests": "喜歡編程,聽(tīng)音樂(lè),旅游" }PUT /lib4/user/5 {"name" : "張三","address" :"北京海淀區(qū)清河","age" : 29,"birthday" : "1988-10-12","interests": "喜歡攝影,聽(tīng)音樂(lè),跳舞" }

term和terms查詢?

term是代表完全匹配，即不進(jìn)行分詞器分析，文檔中必須包含整個(gè)搜索的詞匯

#term和terms查詢 #查詢字段中含有趙的 GET /lib4/user/_search {"query": {"term": {"name":"趙"}} }#指定多個(gè)關(guān)鍵字，只要包含其中一個(gè)就會(huì)被查詢出來(lái) GET /lib4/user/_search {"query":{"terms":{"interests": ["喝酒","唱歌"]}} }#控制返回的數(shù)據(jù)條數(shù) 取前2條 GET /lib4/user/_search {"from":0,"size": 2, "query":{"terms":{"interests": ["喝酒","唱歌"]}} }#版本號(hào)的返回 GET /lib4/user/_search {"version":true,"query":{"terms":{"interests": [" 喝酒", "唱歌"]}} }

match查詢? match是知道分詞器存在的這個(gè)之前就講過(guò)

趙六會(huì)被分詞為兩個(gè)詞? 含有趙和六的都會(huì)被查詢出來(lái)

#match查詢 GET /lib4/user/_search {"query":{"match":{"name": "趙六"}} }

然后對(duì)于數(shù)字型的是不會(huì)被分詞的比如查詢年齡20的? 這個(gè)不會(huì)被分成2和0? 所以查詢結(jié)果會(huì)去從文檔匹配年齡為20的信息

GET /lib4/user/_search {"query":{"match":{"age": 20}} }GET /lib4/user/_search {"query": {"match_all": {}} }

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#multi_match指定多個(gè)字段關(guān)鍵字匹配? ；match_phrase短語(yǔ)精確匹配 ；_source指定查詢結(jié)果返回的字段信息

#指定多個(gè)字段匹配 GET /lib4/user/_search {"query":{"multi_match": {"query": "唱歌","fields": ["interests", "name"]}} }#短語(yǔ)匹配 GET lib4/user/_search {"query":{"match_phrase" :{"interests": "鍛煉，說(shuō)相聲"}} }#返回指定的字段 GET /lib4/user/_search {"_source": ["address" , "name"],"query": {"match": {"interests": "唱歌"}} }

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