es查询DSL语句

1.索引index相关操作

# 查询所有索引
GET _cat/indices?v

# 查询某个索引下的信息
GET /lockie_test

# 新增索引
PUT /lockie_test

# 删除索引
DELETE /lockie_test

# 创建索引,同时设置mapping
PUT lockie_test
{
  "mappings": {
    "properties": {
      "orderNo": {
        "type": "text"
      }
    }
  }
}

2.mapping相关

# 查询某个索引的mapping
GET lockie_test/_mapping?pretty

# 创建索引,同时设置mapping
PUT /lockie_test/_mapping
{
  "mappings": {
    "properties": {
      "orderNo": {
        "type": "text"
      }
    }
  }
}


# 添加新字段
POST lockie_test/_mapping
{
  "properties": {
    "dealDl": {
      "type": "double"
    },
    "balanceTime": {
      "type": "date",
      "format": "yyyy-MM-dd HH:mm:ss"
    },
    "city": {
      "type": "text"
    }
  }
}

# 删除mapping,删除索引即可
DELETE /lockie_test

3.doc相关,新增,删除,更新

# 新增数据 指定id使用PUT,不指定id由es随机生成使用POST
PUT lockie_test/_doc/1
{
  "orderNo": "201910221750150001",
  "dealDl": 2.5,
  "balanceTime": "2019-10-22 17:50:15",
  "city": "上海"
}


PUT lockie_test/_doc/2
{
  "orderNo": "201910221751150002",
  "dealDl": 1.5,
  "balanceTime": "2019-10-22 17:51:15",
  "city": "北京"
}

PUT lockie_test/_doc/3
{
  "orderNo": "201910230905150003",
  "dealDl": 20.8,
  "balanceTime": "2019-10-23 09:05:10",
  "city": "广州"
}


# 删除数据
DELETE lockie_test/_doc/3

# 根据查询条件删除
POST /lockie_test/_delete_by_query?q=city:广州
POST /lockie_test/_delete_by_query
{
  "query":{
    "match":{
      "city": "广州"
    }
  }
}


# 修改数据,如果用PUT则是替换全部数据,使用POST则更新想要的数据
PUT lockie_test/_doc/3
{
  "orderNo": "201910230905150003"
}

# 查询更新结果发现使用PUT更新后字段只剩下orderNo
{
  "_index" : "lockie_test",
  "_type" : "_doc",
  "_id" : "3",
  "_version" : 1,
  "_seq_no" : 32,
  "_primary_term" : 2,
  "found" : true,
  "_source" : {
    "orderNo" : "201910230905150003"
  }
}

# 如果只是想更新某个字段的值则需要使用POST,比如更新id=3的城市为深圳
POST lockie_test/_doc/3/_update
{
  "doc": {
    "city": "深圳",
    "remark": "这是备注3"
  }
}

# 查询更新后结果
{
  "_index" : "lockie_test",
  "_type" : "_doc",
  "_id" : "3",
  "_version" : 5,
  "_seq_no" : 36,
  "_primary_term" : 2,
  "found" : true,
  "_source" : {
    "orderNo" : "201910230905150003",
    "dealDl" : 20.8,
    "balanceTime" : "2019-10-23 09:05:10",
    "city" : "深圳",
    "remark" : "这是备注3"
  }
}


# 根据条件更新,批量更新
POST /lockie_test/_update_by_query
{
  "script": {
    "lang": "painless",
    "inline": "ctx._source.remark='批量更新备注'"
  }
}

# 更新使用函数计算
POST lockie_test/_doc/1/_update
{
  "script": "ctx._source.dealDl += 1"
}

# 查看更新后的结果
{
  "took" : 154,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "深圳",
          "remark" : "批量更新备注",
          "balanceTime" : "2019-10-22 17:50:15"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221751150002",
          "dealDl" : 1.5,
          "city" : "北京",
          "remark" : "批量更新备注",
          "balanceTime" : "2019-10-22 17:51:15"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910230905150003",
          "dealDl" : 20.8,
          "city" : "深圳",
          "remark" : "批量更新备注",
          "balanceTime" : "2019-10-23 09:05:10"
        }
      }
    ]
  }
}

4.doc的查询操作

# 查询所有数据
GET lockie_test/_search

{
  "took" : 619,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221751150002",
          "dealDl" : 1.5,
          "city" : "北京",
          "remark" : "这是备注2",
          "balanceTime" : "2019-10-22 17:51:15"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910230905150003",
          "dealDl" : 20.8,
          "city" : "深圳",
          "remark" : "这是备注3",
          "balanceTime" : "2019-10-23 09:05:10"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "上海",
          "remark" : "这是备注1",
          "balanceTime" : "2019-10-22 17:50:15"
        }
      }
    ]
  }
}

# 查询所有的并且排序
GET lockie_test/_search?sort=_id:asc

# 根据id查询
GET lockie_test/_doc/1

{
  "_index" : "lockie_test",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 22,
  "_seq_no" : 43,
  "_primary_term" : 2,
  "found" : true,
  "_source" : {
    "orderNo" : "201910221750150001",
    "dealDl" : 3.5,
    "city" : "上海",
    "remark" : "这是备注1",
    "balanceTime" : "2019-10-22 17:50:15"
  }
}

# 根据其他条件查询
GET /lockie_test/_search?q=remark:备注&sort=dealDl:desc

# 查询只显示指定字段
GET lockie_test/_doc/1?_source=orderNo,remark
GET lockie_test/_search
{
  "_source": ["orderNo","city","remark"]
}

{
  "_index" : "lockie_test",
  "_type" : "_doc",
  "_id" : "1",
  "_version" : 22,
  "_seq_no" : 43,
  "_primary_term" : 2,
  "found" : true,
  "_source" : {
    "orderNo" : "201910221750150001",
    "remark" : "这是备注1"
  }
}

# 分页查询from ,to分页参数
GET lockie_test/_search
{
  "from": 0,
  "size": 2, 
  "sort": [
    {
      "dealDl": {
        "order": "asc"
      }
    }
  ],
  "query": {
    "match_all": {}
  }
}

# match匹配查询,类似数据库的like,match_phrase将条件作为一个短语进行查询
GET /lockie_test/_search
{
  "query": {
    "match": {
      "city": "深圳"
    }
  }
}

# must查询,条件必须满足才能查到
GET /lockie_test/_search
{
  "query": {
    "bool": {
      "must": [
        {
          "term": {
            "orderNo": {
              "value": "201910221750150001"
            }
          }
        },
        {
          "match": {
            "city": "上海"
          }
        }
      ]
    }
  }
}

{
  "took" : 1,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 1,
      "relation" : "eq"
    },
    "max_score" : 2.9424875,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 2.9424875,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "上海",
          "remark" : "这是备注1",
          "balanceTime" : "2019-10-22 17:50:15"
        }
      }
    ]
  }
}


# should查询,类似数据库的or,条件任一个满足即可
GET /lockie_test/_search
{
  "query": {
    "bool": {
      "should": [
        {
          "term": {
            "orderNo": {
              "value": "201910221750150001"
            }
          }
        },
        {
          "match": {
            "city": "深圳"
          }
        }
      ]
    }
  }
}

{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 1.9616584,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "3",
        "_score" : 1.9616584,
        "_source" : {
          "orderNo" : "201910230905150003",
          "dealDl" : 20.8,
          "city" : "深圳",
          "remark" : "这是备注3",
          "balanceTime" : "2019-10-23 09:05:10"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 0.9808292,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "上海",
          "remark" : "这是备注1",
          "balanceTime" : "2019-10-22 17:50:15"
        }
      }
    ]
  }
}

# minimum_should_match 这个是指或的条件,必须满足多少条,下面的minimum_should_match=2,所以一条都查不到
GET /lockie_test/_search
{
  "query": {
    "bool": {
      "should": [
        {
          "term": {
            "orderNo": {
              "value": "201910221750150001"
            }
          }
        },
        {
          "match": {
            "city": "深圳"
          }
        }
      ],
      "minimum_should_match": 2
    }
  }
}

# must_not 排出条件值,类似数据库的not和not in
GET /lockie_test/_search
{
  "query": {
    "bool": {
      "must_not": [
        {
          "term": {
            "orderNo": {
              "value": "201910230905150003"
            }
          }
        }
      ]
    }
  }
}

# range 范围查询
GET /lockie_test/_search
{
  "query": {
    "bool": {
      "must": [
        {
          "range": {
            "balanceTime": {
              "gte": "2019-10-21 00:00:00",
              "lte": "2019-10-22 23:00:00"
            }
          }
        }
      ]
    }
  }
}


{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 2,
      "relation" : "eq"
    },
    "max_score" : 1.0,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221751150002",
          "dealDl" : 1.5,
          "city" : "北京",
          "remark" : "这是备注2",
          "balanceTime" : "2019-10-22 17:51:15"
        }
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : 1.0,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "上海",
          "remark" : "这是备注1",
          "balanceTime" : "2019-10-21 10:50:15"
        }
      }
    ]
  }
}




# 聚合查询,分组类似数据库的group by
GET /lockie_test/_search
{
  "size": 0,
  "aggs": {
    "group_by_city": {
      "terms": {
        "field": "city"
      }
    }
  }
}


{
  "took" : 0,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : null,
    "hits" : [
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "2",
        "_score" : null,
        "_source" : {
          "orderNo" : "201910221751150002",
          "dealDl" : 1.5,
          "city" : "北京",
          "remark" : "这是备注2",
          "balanceTime" : "2019-10-22 17:51:15"
        },
        "sort" : [
          1.5
        ]
      },
      {
        "_index" : "lockie_test",
        "_type" : "_doc",
        "_id" : "1",
        "_score" : null,
        "_source" : {
          "orderNo" : "201910221750150001",
          "dealDl" : 3.5,
          "city" : "上海",
          "remark" : "这是备注1",
          "balanceTime" : "2019-10-21 10:50:15"
        },
        "sort" : [
          3.5
        ]
      }
    ]
  }
}


# avg求平均值
GET /lockie_test/_search
{
  "size": 0, 
  "aggs": {
    "avg_dealDl": {
      "avg": {
        "field": "dealDl"
      }
    }
  }
}

{
  "took" : 3,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : null,
    "hits" : [ ]
  },
  "aggregations" : {
    "avg_dealDl" : {
      "value" : 8.6
    }
  }
}


# 分组聚合求平均值
GET /lockie_test/_search
{
  "size": 0,
  "aggs": {
    "group_by_time": {
      "terms": {
        "field": "balanceTime",
        "order": {
          "avg_dealDl": "asc"
        }
      },
      "aggs": {
        "avg_dealDl": {
          "avg": {
            "field": "dealDl"
          }
        }
      }
    }
  }
}


{
  "took" : 6,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "skipped" : 0,
    "failed" : 0
  },
  "hits" : {
    "total" : {
      "value" : 3,
      "relation" : "eq"
    },
    "max_score" : null,
    "hits" : [ ]
  },
  "aggregations" : {
    "group_by_time" : {
      "doc_count_error_upper_bound" : 0,
      "sum_other_doc_count" : 0,
      "buckets" : [
        {
          "key" : 1571766675000,
          "key_as_string" : "2019-10-22 17:51:15",
          "doc_count" : 1,
          "avg_dealDl" : {
            "value" : 1.5
          }
        },
        {
          "key" : 1571655015000,
          "key_as_string" : "2019-10-21 10:50:15",
          "doc_count" : 1,
          "avg_dealDl" : {
            "value" : 3.5
          }
        },
        {
          "key" : 1571821510000,
          "key_as_string" : "2019-10-23 09:05:10",
          "doc_count" : 1,
          "avg_dealDl" : {
            "value" : 20.8
          }
        }
      ]
    }
  }
}

 

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