ElasticSearch(7.2.2)-映射的介绍和使⽤

简介：⼿把⼿教你怎么操作mapping

新增

• 请求

curl -X PUT "localhost:9200/nba/_mapping" -H 'Content-Type:
application/json' -d'
{
  "properties": {
    "name": {
      "type": "text"
    },
    "team_name": {
      "type": "text"
    },
    "position": {
      "type": "keyword"
    },
    "play_year": {
      "type": "keyword"
    },
    "jerse_no": {
      "type": "keyword"
    }
  }
}

• 响应

{
 "acknowledged": true
}

获取

• 请求

curl -X GET "localhost:9200/xdclass/_mapping"

• 响应

{
  "nba": {
    "mappings": {
      "properties": {
        "jerse_no": {
          "type": "keyword"
        },
        "name": {
          "type": "text"
        },
        "play_year": {
          "type": "keyword"
        },
        "position": {
          "type": "keyword"
        },
        "team_name": {
          "type": "text"
        }
      }
    }
  }
}

批量获取

• 请求

curl -X GET "localhost:9200/nba,cba/mapping"

• 响应

{
  "nba": {
    "mappings": {
      "properties": {
        "jerse_no": {
          "type": "keyword"
        },
        "name": {
          "type": "text"
        },
        "play_year": {
          "type": "keyword"
        },
        "position": {
          "type": "keyword"
        },
        "team_name": {
          "type": "text"
        }
      }
    }
  },
  "cba": {
    "mappings": {}
  }
}

获取所有

• 请求(一)

curl -X GET "localhost:9200/_mapping"

• 响应(一)

{
  "nba": {
    "mappings": {
      "properties": {
        "jerse_no": {
          "type": "keyword"
        },
        "name": {
          "type": "text"
        },
        "play_year": {
          "type": "keyword"
        },
        "position": {
          "type": "keyword"
        },
        "team_name": {
          "type": "text"
        }
      }
    }
  },
  "cba": {
    "mappings": {}
  }
}

• 请求(二)

curl -X GET "localhost:9200/_all/_mapping"

• 响应(二)

{
  "nba": {
    "mappings": {
      "properties": {
        "jerse_no": {
          "type": "keyword"
        },
        "name": {
          "type": "text"
        },
        "play_year": {
          "type": "keyword"
        },
        "position": {
          "type": "keyword"
        },
        "team_name": {
          "type": "text"
        }
      }
    }
  },
  "cba": {
    "mappings": {}
  }
}

修改

• 请求

curl -X PUT "localhost:9200/nba/_mapping" -H 'Content-Type:
application/json' -d'
{
  "properties": {
    "name": {
      "type": "text"
    },
    "team_name": {
      "type": "text"
    },
    "position": {
      "type": "keyword"
    },
    "play_year": {
      "type": "keyword"
    },
    "jerse_no": {
      "type": "keyword"
    },
    "country": {
      "type": "keyword"
    }
  }
}

• 响应

{
 "acknowledged": true
}