ElasticSearch Search 데이터 조회하기

ElasticSearch Search

 

​x
curl -XGET localhost:9200/classes/class/_search?q=rating:5

 

출력결과

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{"took":2,"timed_out":false,"_shards":{"total":5,"successful":5,"skipped":0,"failed":0},"hits":{"total":4,"max_score":1.0,"hits":[{"_index":"classes","_type":"class","_id":"19","_score":1.0,"_source":{"title" : "Cell Biology","Professor" : "Anjella Kim","major" : "Medical","semester" : ["fall"],"student_count" : 40,"unit" : 5,"rating" : 5, "submit_date" : "2016-02-22", "school_location" : {"lat" : 42.32, "lon" : -94.74}}},{"_index":"classes","_type":"class","_id":"12","_score":1.0,"_source":{"title" : "Vocal Techniques","Professor" : "Beyonce","major" : "Music","semester" : ["fall"],"student_count" : 30,"unit" : 3,"rating" : 5, "submit_date" : "2016-11-22", "school_location" : {"lat" : 42.51, "lon" : -74.83}}},{"_index":"classes","_type":"class","_id":"1","_score":1.0,"_source":{"title" : "Machine Learning","Professor" : "Minsuk Heo","major" : "Computer Science","semester" : ["spring", "fall"],"student_count" : 100,"unit" : 3,"rating" : 5, "submit_date" : "2016-01-02", "school_location" : {"lat" : 36.00, "lon" : -120.00}}},{"_index":"classes","_type":"class","_id":"11","_score":1.0,"_source":{"title" : "Music Fundamental","Professor" : "Jay Z","major" : "Music","semester" : ["fall"],"student_count" : 100,"unit" : 3,"rating" : 5, "submit_date" : "2016-05-22", "school_location" : {"lat" : 42.51, "lon" : -74.83}}}]}}

 

 

pretty를 넣어 출력하려 했는데 다르게 해야하는지 오류가 난다.

 

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curl -XGET localhost:9200/classes/class/_search?pretty -d "{ \"query\": { \"term\" : {\"rating\":5} } }" -H "Content-Type:application/json"

이렇게 -d를 사용하여 위와 같은 검색을 할 수 있다.

 

rating값이 5인 것을 검색한 출력결과

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{
  "took" : 1,
  "timed_out" : false,
  "_shards" : {
    "total" : 5,
    "successful" : 5,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : 4,
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "classes",
        "_type" : "class",
        "_id" : "19",
        "_score" : 1.0,
        "_source" : {
          "title" : "Cell Biology",
          "Professor" : "Anjella Kim",
          "major" : "Medical",
          "semester" : [
            "fall"
          ],
          "student_count" : 40,
          "unit" : 5,
          "rating" : 5,
          "submit_date" : "2016-02-22",
          "school_location" : {
            "lat" : 42.32,
            "lon" : -94.74
          }
        }
      },
      {
        "_index" : "classes",
        "_type" : "class",
        "_id" : "12",
        "_score" : 1.0,
        "_source" : {
          "title" : "Vocal Techniques",
          "Professor" : "Beyonce",
          "major" : "Music",
          "semester" : [
            "fall"
          ],
          "student_count" : 30,
          "unit" : 3,
          "rating" : 5,
          "submit_date" : "2016-11-22",
          "school_location" : {
            "lat" : 42.51,
            "lon" : -74.83
          }
        }
      },
      {
        "_index" : "classes",
        "_type" : "class",
        "_id" : "1",
        "_score" : 1.0,
        "_source" : {
          "title" : "Machine Learning",
          "Professor" : "Minsuk Heo",
          "major" : "Computer Science",
          "semester" : [
            "spring",
            "fall"
          ],
          "student_count" : 100,
          "unit" : 3,
          "rating" : 5,
          "submit_date" : "2016-01-02",
          "school_location" : {
            "lat" : 36.0,
            "lon" : -120.0
          }
        }
      },
      {
        "_index" : "classes",
        "_type" : "class",
        "_id" : "11",
        "_score" : 1.0,
        "_source" : {
          "title" : "Music Fundamental",
          "Professor" : "Jay Z",
          "major" : "Music",
          "semester" : [
            "fall"
          ],
          "student_count" : 100,
          "unit" : 3,
          "rating" : 5,
          "submit_date" : "2016-05-22",
          "school_location" : {
            "lat" : 42.51,
            "lon" : -74.83
          }
        }
      }
    ]
  }
}

 

 

ElasticSearch 공부하다가 막히는 부분 질문할 곳이 마땅히 없다는게 제일 어렵다