# More\_like\_this使用分词器后居然查不出来

**URL:** <https://discuss.elastic.co/t/more-like-this/93328>\
**Category:** 中文提问与讨论\
**Created:** [July 17, 2017, 3:40am UTC](https://discuss.elastic.co/t/more-like-this/93328 "2017-07-17T03:40:46Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![401825317](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/401825317/32/20099_2.png) [@401825317](https://discuss.elastic.co/u/401825317)\
**Post date:** [July 17, 2017, 3:40am UTC](https://discuss.elastic.co/t/more-like-this/93328/1 "2017-07-17T03:40:47Z")

</div>

elasticsearch版本：5.4.0  
插件：ik,pinyin  
jvm:1.8  
setting：  
PUT /testcar/  
{  
"index": {  
"analysis": {  
"analyzer": {  
"ik\_pinyin\_analyzer": {  
"type": "custom",  
"tokenizer": "ik\_smart",  
"filter": [  
"my\_pinyin",  
"word\_delimiter"  
]  
},  
"ik\_analyzer": {  
"type": "custom",  
"tokenizer": "ik\_smart",  
"filter": [  
"word\_delimiter"  
]  
}  
},  
"filter": {  
"my\_pinyin": {

```
      "type": "pinyin",
      "keep_separate_first_letter": false,
      "keep_full_pinyin": true,
      "keep_original": true,
      "limit_first_letter_length": 16,
      "lowercase": true,
      "remove_duplicated_term": true
    }
  }
}

```

}  
}  
mapping:  
{  
"properties": {  
"brand": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"brandid": {  
"type": "long"  
},  
"caraddress": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"cc": {  
"type": "long"  
},  
"commentcount": {  
"type": "long"  
},  
"contacts": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"contactsphone": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"createtime": {  
"type": "long"  
},  
"createuser": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"createusertype": {  
"type": "long"  
},  
"des": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"detailspicurl": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"exteriorpicurl": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"favoritescount": {  
"type": "long"  
},  
"firstonthecardtime": {  
"type": "long"  
},  
"flawpicurl": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"from": {  
"type": "long"  
},  
"kilometer": {  
"type": "float"  
},  
"lastupdatetime": {  
"type": "long"  
},  
"licenseplate": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"model": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"modelid": {  
"type": "long"  
},  
"price": {  
"type": "long"  
},  
"province": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"query": {  
"properties": {  
"match\_all": {  
"type": "object"  
}  
}  
},  
"secondcarid": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"size": {  
"type": "long"  
},  
"state": {  
"type": "long"  
},  
"style": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"title": {  
"type": "text",  
"fields": {  
"ik": {  
"type": "text",  
"analyzer": "ik\_analyzer"  
},  
"ik\_pinyin": {  
"type": "text",  
"analyzer": "ik\_pinyin\_analyzer"  
}  
}  
},  
"transfercount": {  
"type": "long"  
},  
"videodatamodel": {  
"properties": {  
"fileid": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"thumbUrl": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"videoDurantion": {  
"type": "long"  
},  
"videoHeight": {  
"type": "long"  
},  
"videoLength": {  
"type": "long"  
},  
"videoUrl": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"videoWidth": {  
"type": "long"  
}  
}  
},  
"videodatastr": {  
"type": "text",  
"fields": {  
"keyword": {  
"type": "keyword",  
"ignore\_above": 256  
}  
}  
},  
"viewcount": {  
"type": "long"  
}  
}  
}  
插入语句：  
PUT testcar/secondcar/1  
{  
"title":"杜卡迪"  
}  
PUT testcar/secondcar/2  
{  
"title":"杜卡迪Monster"  
}  
PUT testcar/secondcar/3  
{  
"title":"杜卡迪Monster 798"  
}  
PUT testcar/secondcar/4  
{  
"title":"杜卡迪Monster 798 7564"  
}  
PUT testcar/secondcar/5  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
PUT testcar/secondcar/6  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
PUT testcar/secondcar/7  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
PUT testcar/secondcar/8  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
PUT testcar/secondcar/9  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
PUT testcar/secondcar/10  
{  
"title":"杜卡迪Monster 798ADSADS"  
}  
查询语句：  
ET testcar/\_search  
{  
"query": {  
"more\_like\_this": {  
"fields": [  
"title.ik"  
],  
"like": "杜卡迪",  
"min\_term\_freq": 1,  
"max\_query\_terms": 12  
}  
}  
}  
result:  
{  
"took": 7,  
"timed\_out": false,  
"\_shards": {  
"total": 5,  
"successful": 5,  
"failed": 0  
},  
"hits": {  
"total": 0,  
"max\_score": null,  
"hits": []  
}  
}

---

<div class="post-metadata">

**Author:** ![401825317](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/401825317/32/20099_2.png) [@401825317](https://discuss.elastic.co/u/401825317)\
**Post date:** [July 17, 2017, 3:41am UTC](https://discuss.elastic.co/t/more-like-this/93328/2 "2017-07-17T03:41:48Z")

</div>

杜卡迪已经加入到词库中可以正常被分词。

---

<div class="post-metadata">

**Author:** ![medcl.net](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/medcl.net/32/4414_2.png) [@medcl.net](https://discuss.elastic.co/u/medcl.net)\
**Post date:** [July 26, 2017, 2:19am UTC](https://discuss.elastic.co/t/more-like-this/93328/3 "2017-07-26T02:19:54Z")

</div>

添加参数：  
,  
"min\_doc\_freq": 0,  
"min\_word\_len": 0,  
"min\_term\_freq": 0

再试试

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 23, 2017, 2:20am UTC](https://discuss.elastic.co/t/more-like-this/93328/4 "2017-08-23T02:20:04Z")

</div>

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