ElasticSearch7.2之查询建议

╰+哭是因爲堅強的太久メ 2023-06-16 08:29 109阅读 0赞

*  ### 查询建议是什么 ###

查询建议，是为了给⽤户提供更好的搜索体验。包括：词条检查，⾃动补全。

> 词条检查

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70][]

> ⾃动补全

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70 1][]

*  ### 建议器 ###

> Term suggester 
> 
>  
> 
> Phrase suggester 
> 
>  
> 
> Completion suggester
> 
>

*  ### 字段 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70 2][]

*  ### Term suggester ###

term 词条建议器，对给输⼊的⽂本进⾏分词，为每个分词提供词项建议

> POST  / nba\_latest / \_search
> 
> \{  
>     "suggest": \{  
>         "my-suggestion": \{  
>             "text": "jamse hardne",  
>             "term": \{  
>                 "suggest\_mode": "missing",  
>                 "field": "displayNameEn"  
>             \}  
>         \}  
>     \}  
> \}

*  ### Phrase suggester  短语推荐器 ###

phrase 短语建议，在term的基础上，会考量多个term之间的关系，⽐如是否同时出现在索引的原⽂⾥，相邻程度，以及词频等

> POST  / nba\_latest / \_search
> 
> \{  
>     "suggest": \{  
>         "my-suggestion": \{  
>             "text": "jamse harden",  
>             "phrase": \{  
>                 "field": "displayNameEn"  
>             \}  
>         \}  
>     \}  
> \}

*  ### Completion suggester  提示词 ###

Completion 完成建议

> POST  / nba\_latest / \_search
> 
> \{  
>     "suggest": \{  
>         "my-suggestion": \{  
>             "text": "Miam",  
>             "completion": \{  
>                 "field": "teamCityEn"  
>             \}  
>         \}  
>     \}  
> \}

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191125203220940.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20191125203307553.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz_size_16_color_FFFFFF_t_70 2]: https://img-blog.csdnimg.cn/20191125204234211.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzIyMDQ5Nzcz,size_16,color_FFFFFF,t_70