ElasticSearch寻找相关词

小鱼儿 2023-01-15 03:39 177阅读 0赞

##### 构建Shingles模版并指定相应字段使用该属性 #####

PUT /my_index
    { 
      "settings" : { 
          "index" : { 
             "analysis": { 
                "filter": { 
                    "my_shingle_filter": { 
                        "type":             "shingle",
                        "min_shingle_size": 2, 
                        "max_shingle_size": 2, 
                        "output_unigrams":  false   
                    }
                },
                "analyzer": { 
                    "my_shingle_analyzer": { 
                        "type":             "custom",
                        "tokenizer":        "standard",
                        "filter": [
                            "lowercase",
                            "my_shingle_filter" 
                        ]
                    }
                }
            },
            "number_of_replicas" : "1"
          }
        },
        "mappings" : { 
          "properties" : { 
            "title" : { 
                    "type": "text",
                    "fields": { 
                        "shingles": { 
                            "type":     "text",
                            "analyzer": "my_shingle_analyzer"
                        }
                    }
                }
          }
        
      }
    }

批量插入测试数据

POST /my_index/_bulk
    {  "index": {  "_id": 1 }}
    {  "title": "Sue ate the alligator" }
    {  "index": {  "_id": 2 }}
    {  "title": "The alligator ate Sue" }
    {  "index": {  "_id": 3 }}
    {  "title": "Sue never goes anywhere without her alligator skin purse" }

普通查询

GET /my_index/_search
    { 
       "query": { 
            "match": { 
               "title": "the hungry alligator ate sue"
            }
       }
    }

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0NvY2t0YWlsX3B5_size_16_color_FFFFFF_t_70]