es - elasticsearch mapping - paramters - term_vector

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世界上并没有完美的程序,但是我们并不因此而沮丧,因为写程序就是一个不断追求完美的过程。

问 :term_vector有什么特点?
答 :
在这里插入图片描述
问 :term_vector如何使用?
答 :

# term_vector
PUT /term_vector_test
{
  "mappings" : {
    "properties" : {
      "name" : {
        "type"        : "text",
        "term_vector" : "with_positions_offsets"
      }
    }
  }
}

# 索引
POST /term_vector_test/_doc/1
{
  "name" : "hello good me"
}

# 搜索
GET /term_vector_test/_search
{
  "query" : {
    "match" : {
      "name" : "hello"
    }
  },
  "highlight" : {
    "fields" : {
      "name" : {}
    }
  }
}

# 结果
{
  "took" : 850,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 0.2876821,
    "hits" : [
      {
        "_index" : "term_vector_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 0.2876821,
        "_source" : {
          "name" : "hello good me"
        },
        "highlight" : {
          "name" : [
            "<em>hello</em> good me"
          ]
        }
      }
    ]
  }
}
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