es - elasticsearch mapping - field data type - 18

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。

# search_as_you_type
PUT /search_as_you_type_test
{
  "mappings" : {
    "properties" : {
      "my_search_as_you_type" : {
        "type" : "search_as_you_type"
      }
    }
  }
}

# 索引
POST /search_as_you_type_test/_doc?refresh
{
  "my_search_as_you_type" : "hello good me"
}

# 搜索
GET /search_as_you_type_test/_search

# 结果
{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "search_as_you_type_test",
        "_type" : "_doc",
        "_id" : "QGedXHgBVbS9eSDZx-50",
        "_score" : 1.0,
        "_source" : {
          "my_search_as_you_type" : "hello good me"
        }
      }
    ]
  }
}


# 搜索 multi_match
GET /search_as_you_type_test/_search
{
  "query" : {
    "multi_match" : {
      "query"  : "go",
      "type"   : "bool_prefix",
      "fields" : [
        "my_search_as_you_type",
        "my_search_as_you_type._2gram",
        "my_search_as_you_type._3gram"
      ]
    }
  }
}

# 结果
{
  "took" : 1,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "search_as_you_type_test",
        "_type" : "_doc",
        "_id" : "QGedXHgBVbS9eSDZx-50",
        "_score" : 1.0,
        "_source" : {
          "my_search_as_you_type" : "hello good me"
        }
      }
    ]
  }
}


# 搜索 match_phrase_prefix
GET /search_as_you_type_test/_search
{
  "query": {
    "match_phrase_prefix" : {
      "my_search_as_you_type" : "go"
    }
  }
}

# 结果
{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 0.2876821,
    "hits" : [
      {
        "_index" : "search_as_you_type_test",
        "_type" : "_doc",
        "_id" : "QGedXHgBVbS9eSDZx-50",
        "_score" : 0.2876821,
        "_source" : {
          "my_search_as_you_type" : "hello good me"
        }
      }
    ]
  }
}