展开父路径的对象字段的动态映射

Question

{
    "name": "bob",
    "age": 22,
    "title": "Vice Intern",
    "tagline": "Ask not what your company can do for you, but..."
}

我有的另一个要求是管理员给字段的名称也应该是他们可以搜索的。所以，例如，如果他们想找到所有有话要说的Vice实习生，lucene的查询可能是：

+title:"Vice Intern" +tagline:"company"

所以我想我可以定义一个动态映射。由于我不知道字段的名称提前，这似乎是一个伟大的方法。但是，关键是想出一种方法来区分应该分析的字符串字段和不应该分析的字符串字段！

我想，嘿，我就把所有需要分析的字段放到一个嵌套对象中，像这样：

{
    "name": "bob",
    "age": 22,
    "title": "Vice Intern",
    "textfields": {
        "tagline": "Ask not what your company can do for you, but...",
        "somethingelse": "lorem ipsum",
    }
}    

{
    "mytype": {
        "dynamic_templates": {
            "nested_textfields": {
                "match": "textfields",
                "match_mapping_type": "string",
                "mapping": {
                    "index": "analyzed",
                    "analyzer": "default"
                }
            }
        }
    }
}

+title:"Vice Intern" +textfields.tagline:"company"

编辑：

我尝试了以下动态模板。我正在尝试使用index_name删除“textfields”。在索引里。但是，这个动态模板似乎并不匹配，因为在放入文档并查看映射后，我没有看到指定的分析器。

    {
        "mytype" : {
            "dynamic_templates":
            [
            {
                "textfields": {
                    "path_match": "textfields.*",
                    "match_mapping_type" : "string",
                    "mapping": {
                        "type": "string",
                        "index": "analyzed",
                        "analyzer": "default",
                        "index_name": "{name}",
                        "fields": {                 
                            "sort": {
                                "type": "string",
                                "index": "not_analyzed",
                                "index_name": "{name}_sort"
                            }
                        }
                    }
                }
            }
            ]
        }
    }

Answer 1

我能够通过以下索引创建（带有映射）、文档和搜索查询来复制您所要求的结果。类型确实有一些变化，但它符合示例的目的。

索引设置

PUT http://localhost:9200/sandbox

{
 "settings": { 
   "index": {
     "number_of_shards": 1,
     "number_of_replicas": 0
   }
 },
 "mappings": {
   "mytype": {
     "dynamic_templates": [
        {
            "indexedfields": {
                "path_match": "indexedfields.*",
                "match_mapping_type" : "string",
                "mapping": {
                    "type": "string",
                    "index": "analyzed",
                    "analyzer": "default",
                    "index_name": "{name}",
                    "fields": {                 
                        "sort": {
                            "type": "string",
                            "index": "not_analyzed",
                            "index_name": "{name}_sort"
                        }
                    }
                }
            }
        },
        {
            "textfields": {
                "path_match": "textfields.*",
                "match_mapping_type" : "string",
                "mapping": {
                    "type": "string",
                    "index": "not_analyzed",
                    "index_name": "{name}"
                }
            }
        },
        {
            "strings": {
                "path_match": "*",
                "match_mapping_type" : "string",
                "mapping": {
                    "type": "string",
                    "index": "not_analyzed"
                }
            }

        }
     ]
   }
 }
}

文件

PUT http://localhost:9200/sandbox/mytype/1
{
   "indexedfields":{
      "hello":"Hello world",
      "message":"The great balls of the world are on fire"
   },
   "textfields":{
      "username":"User Name",
      "projectname":"Project Name"
   }
}

POST http://localhost:9200/sandbox/mytype/_search
{
  "query": {
    "query_string": {
      "query": "message:\"great balls\""
    }
  },
   "filter":{
      "query":{
         "query_string":{
            "query":"username:\"User Name\""
         }
      }
   },
   "from":0,
   "size":10,
   "sort":[

   ]
}

{
   "took":2,
   "timed_out":false,
   "_shards":{
      "total":1,
      "successful":1,
      "failed":0
   },
   "hits":{
      "total":1,
      "max_score":0.19178301,
      "hits":[
         {
            "_index":"sandbox",
            "_type":"mytype",
            "_id":"1",
            "_score":0.19178301,
            "_source":{
               "indexedfields":{
                  "hello":"Hello world",
                  "message":"The great balls of the world are on fire"
               },
               "textfields":{
                  "username":"User Name",
                  "projectname":"Project Name"
               }
            }
         }
      ]
   }
}