fuzzy实现模糊查询
value:查询的关键字
boost:查询的权值,默认值是1.0
min_similarity:设置匹配的最小相似度,默认值为0.5, 对于字符串,取值为0-1(包括0和1);对于数值,取值可能大于1;对于日期型取值为1d,1m等,1d就代表1天
prefix_length:指明区分词项的共同前缀长度,默认是0
max_expansions:查询中的词项可以扩展的数目,默认可以无限大
GET /ib3/user/ search { "queny":{ "fuzy*:{ *interests": "chagge* }}}
GET /ib3/user/_ search { "query":{ "fuzzy*: { "interests":{ "value*: "chagge" }}}
#下面可以明显查询条件写错了,但是我们使用模糊查询就可以查询出来,模糊查询很简单
#fuzzy模糊查询
GET /lib3/user/_search
{"query": {"fuzzy": {"name": "zholiu"}}
}
{"took" : 587,"timed_out" : false,"_shards" : {"total" : 5,"successful" : 5,"skipped" : 0,"failed" : 0},"hits" : {"total" : 1,"max_score" : 0.23973508,"hits" : [{"_index" : "lib3","_type" : "user","_id" : "1","_score" : 0.23973508,"_source" : {"name" : "zhaoliu","address" : "hei long jiang sheng tie ling shi","age" : 50,"birthday" : "1970-12-12","interests" : "xi buan hejiu, duanlian, lvyou"}}]}
}
GET /lib3/user/_search
{"query": {"fuzzy": {"interests": {"value": "chagge"}}}
}
{"took" : 35,"timed_out" : false,"_shards" : {"total" : 5,"successful" : 5,"skipped" : 0,"failed" : 0},"hits" : {"total" : 3,"max_score" : 0.57762265,"hits" : [{"_index" : "lib3","_type" : "user","_id" : "2","_score" : 0.57762265,"_source" : {"name" : "zhaoming","address" : "bei jing hai dian qu qing he zhen","age" : 20,"birthday" : "1998-10-12","interests" : "xi huan hejiu, duanlian, changge"}},{"_index" : "lib3","_type" : "user","_id" : "5","_score" : 0.23973508,"_source" : {"name" : "zhangsan","address" : "bei jing chao yang qu","age" : 29,"birthday" : "1988-10-12","interests" : "xi huan tingyinyue , changge , tiaowu"}},{"_index" : "lib3","_type" : "user","_id" : "3","_score" : 0.23973508,"_source" : {"name" : "lisi","address" : "bei jing hai dian qu qing he zhen","age" : 23,"birthday" : "1998-10-12","interests" : "xi huan hejiu,duanlian, changge"}}]}
}