# ElasticSearch 常用查询

📆 2020-11-29 18:32

方括号内的内容需要替换为你自己的

# 基础

# 查询

POST [http://192.168.1.2:9200]/[test_table]/_search

{
  "size": 1,
  "query": {
    "bool": {
      "must": [{
          "term": {
            "[test_field1].keyword": "[test_field_value1]"
          }
        },
        {
          "term": {
            "[test_field2].keyword": "[test_field_value2]"
          }
        }
      ]
    }
  },
  "sort": {
    "[test_field1]": {
      "order": "asc"
    }
  },
  "_source": {
    "includes": ["[test_field1]", "[test_field2]"]
  }
}

# 查询多个值

POST [http://192.168.1.2:9200]/[test_table]/_search

{
  "query": {
    "bool": {
      "must": [{
          "terms": {
            "[test_field1].keyword": ["[test_field_value1]","[test_field_value2]","[test_field_value3]"]
          }
        }
      ]
    }
  }
}

# 按查询条件更新

POST [http://192.168.1.2:9200]/[test_table]/_update_by_query

{
  "query": {
    "bool": {
      "must": [{
          "term": {
            "[test_field1].keyword": "[test_field_value1]"
          }
        },
        {
          "term": {
            "[test_field2].keyword": "[test_field_value2]"
          }
        }
      ]
    }
  },
  "script": {
    "inline": "ctx._source.[test_to_update_field]=[test_to_update_field_value];"
  }
}

# 按查询条件删除

POST [http://192.168.1.2:9200]/[test_table]/_delete_by_query

{
  "query": {
    "bool": {
      "must": [{
          "term": {
            "[test_field1].keyword": "[test_field_value1]"
          }
        },
        {
          "term": {
            "[test_field2].keyword": "[test_field_value2]"
          }
        }
      ]
    }
  }
}

# 维护

# 查看索引列表

GET [http://192.168.1.2:9200]/_cat/indices?v

# 查看线程池

GET [http://192.168.1.2:9200]/_cat/thread_pool?v

# 查看所有的分片的段

GET [http://192.168.1.2:9200]/_cat/segments/[test_table]?v

# 清空已标记为删除的记录

POST [http://192.168.1.2:9200]/[test_table]/_forcemerge?only_expunge_deletes=true

# 合并 Segment

POST [http://192.168.1.2:9200]/[test_table]/_forcemerge?max_num_segments=5

# 查看设置

GET [http://192.168.1.2:9200]/[test_table]/_settings?v

# 更新设置

PUT [http://192.168.1.2:9200]/[test_table]/_settings

{
  "index": {
    "[max_result_window]": 20000
  }
}