• Elasticsearch 认证模拟题 - 6


    一、题目

    在集上有一个索引 task2brand 字段 match 搜索 Yoo-Hoo 有 3 个文档返回,match 搜索 YooHoo 有 10 个文档返回,请重建 索引 task2task2_new 索引上,并满足以下要求:

    1. 集群的 brand 字段包含关键字 Yoo-HooYooHoo,不管搜索 Yoo-Hoo 还是 YooHoo,它的结果应该一样,都是3个。
    2. task2_newtask2docmapping 一样,mapping 要拷贝,不能直接 reindex
    PUT task2
    {
      "mappings": {
        "properties": {
          "brand": {
            "type": "text"
          }
        }
      }
    }
    
    PUT task2/_bulk
    {"index": {}}
    {"brand": "Yoo-Hoo"}
    {"index": {}}
    {"brand": "Yoo-Hoo"}
    {"index": {}}
    {"brand": "Yoo-Hoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    {"index": {}}
    {"brand": "YooHoo"}
    
    
    GET task2/_search
    {
      "query": {
        "match": {
          "brand": "Yoo-Hoo"
        }
      }
    }
    
    GET task2/_search
    {
      "query": {
        "match": {
          "brand": "YooHoo"
        }
      }
    }
    
    1.1 考点
    1. 分词器
    2. Character filters
    3. 重建索引
    1.2 答案
    # 新建索引,自定义分词器
    PUT task2_new
    {
      "settings": {
        "analysis": {
          "analyzer": {
            "custom_analyzer": { 
              "char_filter": [
                "map"
              ],
              "tokenizer": "standard",
              "filter": []
            }
          },
          "char_filter": {
            "map": { 
              "type": "mapping",
              "mappings": [
                "- => "
              ]
            }
          }
        }
      }, 
      "mappings": {
        "properties": {
          "brand":{
            "type": "text",
            "analyzer": "custom_analyzer"
          }
        }
      }
    }
    
    # 将 task2 的数据写入到 task2_new
    POST _reindex
    {
      "source": {
        "index": "task2"
      },
      "dest": {
        "index": "task2_new"
      }
    }
    
    # 查询验证
    GET task2_new/_search
    {
      "query": {
        "match": {
          "brand": "Yoo-Hoo"
        }
      }
    }
    

    二、题目

    对索引 task9 编写一个查询模板,并满足以下要求:

    1. 使用 a_01 参数查询 a 字段
    2. 使用 start_dateend_date 参数范围查询 timestamp 字段
    3. 如果没有提供 end_date 参数,那么结束时间默认是现在
    4. 查询结果中 b 字段必须是 active,

    利用查询模板,编写查询语句,查询 2018年6月1日现在 的数据,a 字段包含关键字 aaa

    # 创建索引
    PUT task9
    {
      "mappings": {
        "properties": {
          "a":{
            "type": "text"
          },
          "b":{
            "type": "keyword"
          },
          "timestamp":{
            "type": "date"
          }
        }
      }
    }
    
    # 写入数据
    POST /task9/_bulk
    {"index": {}}
    {"a":"aaa AAA", "b":"active", "timestamp":"2021-11-11T11:21:21.000Z"}
    {"index": {}}
    {"a":"aaa AAA", "b":"active", "timestamp":"2022-11-11T11:21:21.000Z"}
    {"index": {}}
    {"a":"AAA", "b":"b", "timestamp":"2023-11-11T11:21:21.000Z"}
    
    2.1 考点
    1. 查询模板
    2. 查询模板的默认值
    2.2 答案
    # 创建模板
    PUT _scripts/search-template
    {
      "script": {
        "lang": "mustache",
        "source": {
          "query": {
            "bool": {
              "must": [
                {
                  "range": {
                    "timestamp": {
                      "gte": "{{start_date}}",
                      "lte": "{{end_date}}{{^end_date}}now{{/end_date}}"
                    }
                  }
                },
                {
                  "match": {
                    "a": "{{a_01}}"
                  }
                },
                {
                  "term": {
                    "b": {
                      "value": "active"
                    }
                  }
                }
              ]
            }
          }
        },
        "params": {
          "end_date": "now"
        }
      }
    }
    
    # 预览模板
    POST _render/template
    {
      "id": "search-template",
      "params": {
        "a_01": "hello world",
        "start_date": "2022-11-11T11:21:21.000Z"
      }
    }
    
    # 使用模板搜索
    GET task9/_search/template
    {
      "id": "search-template",
      "params": {
        "a_01": "aaa",
        "start_date": "2022-11-11T11:21:21.000Z"
      }
    }
    
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  • 原文地址:https://blog.csdn.net/Wolf_xujie/article/details/139372665