不是在映射字段包含在ElasticSearch返回的搜索结果(fields not in mappi

我想索引PDF格式的附件使用轮胎的宝石作为客户端ElasticSearch。在我的地图，我排除_source附件栏，使附件不存储在索引和搜索结果中不返回 ：

mapping :_source => { :excludes => ['attachment_original'] } do
  indexes :id, :type => 'integer'
  indexes :folder_id, :type => 'integer'
  indexes :attachment_file_name
  indexes :attachment_updated_at, :type => 'date'
  indexes :attachment_original, :type => 'attachment'
end

我仍然可以看到包括在当我运行下面的curl命令搜索结果中的附件内容：

curl -X POST "http://localhost:9200/user_files/user_file/_search?pretty=true" -d '{
  "query": {
    "query_string": {
      "query": "rspec"
    }
  }
}'

我已经张贴了我在这个问题上螺纹：

但是，我刚才注意到，不仅是附件包含在搜索结果中，但所有其他领域，包括没有被映射，也包括你可以在这里看到的那些：

{
  "took": 20,
  "timed_out": false,
  "_shards": {
    "total": 5,
    "successful": 5,
    "failed": 0
  },
  "hits": {
    "total": 1,
    "max_score": 0.025427073,
    "hits": [
      {
        "_index": "user_files",
        "_type": "user_file",
        "_id": "5",
        "_score": 0.025427073,
        "_source": {
          "user_file": {
            "id": 5,
            "folder_id": 1,
            "updated_at": "2012-08-16T11:32:41Z",
            "attachment_file_size": 179895,
            "attachment_updated_at": "2012-08-16T11:32:41Z",
            "attachment_file_name": "hw4.pdf",
            "attachment_content_type": "application/pdf",
            "created_at": "2012-08-16T11:32:41Z",
            "attachment_original": "JVBERi0xLjQKJeLjz9MKNyA"
          }
        }
      }
    ]
  }
}

attachment_file_size和attachment_content_type不是在映射定义，但在搜索结果中返回：

{
  "id": 5,
  "folder_id": 1,
  "updated_at": "2012-08-16T11:32:41Z",
  "attachment_file_size": 179895, <---------------------
  "attachment_updated_at": "2012-08-16T11:32:41Z",
  "attachment_file_name": "hw4.pdf", <------------------
  "attachment_content_type": "application/pdf",
  "created_at": "2012-08-16T11:32:41Z",
  "attachment_original": "JVBERi0xLjQKJeLjz9MKNyA"
}

这是我的全面实施：

  include Tire::Model::Search
  include Tire::Model::Callbacks

  def self.search(folder, params)
    tire.search() do
      query { string params[:query], default_operator: "AND"} if params[:query].present?
      #filter :term, folder_id: folder.id
      #highlight :attachment_original, :options => {:tag => "<em>"}
      raise to_curl
    end
  end

  mapping :_source => { :excludes => ['attachment_original'] } do
    indexes :id, :type => 'integer'
    indexes :folder_id, :type => 'integer'
    indexes :attachment_file_name
    indexes :attachment_updated_at, :type => 'date'
    indexes :attachment_original, :type => 'attachment'
  end

  def to_indexed_json
     to_json(:methods => [:attachment_original])
   end

  def attachment_original
    if attachment_file_name.present?
      path_to_original = attachment.path
      Base64.encode64(open(path_to_original) { |f| f.read })
    end    
  end

可能有人帮助我弄清楚为什么所有的领域都包含在_source ？

编辑：这是运行的输出localhost:9200/user_files/_mapping

{
  "user_files": {
    "user_file": {
      "_source": {
        "excludes": [
          "attachment_original"
        ]
      },
      "properties": {
        "attachment_content_type": {
          "type": "string"
        },
        "attachment_file_name": {
          "type": "string"
        },
        "attachment_file_size": {
          "type": "long"
        },
        "attachment_original": {
          "type": "attachment",
          "path": "full",
          "fields": {
            "attachment_original": {
              "type": "string"
            },
            "author": {
              "type": "string"
            },
            "title": {
              "type": "string"
            },
            "name": {
              "type": "string"
            },
            "date": {
              "type": "date",
              "format": "dateOptionalTime"
            },
            "keywords": {
              "type": "string"
            },
            "content_type": {
              "type": "string"
            }
          }
        },
        "attachment_updated_at": {
          "type": "date",
          "format": "dateOptionalTime"
        },
        "created_at": {
          "type": "date",
          "format": "dateOptionalTime"
        },
        "folder_id": {
          "type": "integer"
        },
        "id": {
          "type": "integer"
        },
        "updated_at": {
          "type": "date",
          "format": "dateOptionalTime"
        }
      }
    }
  }
}

正如你所看到的，由于某种原因，所有的领域都包含在映射！

在你to_indexed_json ，你包括attachment_original方法，所以它被发送到elasticsearch。这也是为什么所有其他属性都包含在映射，因此，源的原因。

见ElasticSearch和轮胎：使用了配置和to_indexed_json问题有关该主题的更多信息。

看来，轮胎确实发送正确映射JSON来elasticsearch -我的建议是使用Tire.configure { logger STDERR, level: "debug" }检查发生什么事，TRZ查明在原水平的问题。