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esql5

elsh is an interactive esql5 command line interface (CLI) SQL shell with autocompletion. support elasticserch5.x,2.x,1.x

explain

特性介绍

#接近标准SQL语法

create table my_index.my_table (
     id keyword,
     name text,
     age long,
     birthday date
);

select * from my_index.my_type;

select count(*) from my_index.my_table group by age;

#Create table

字段参数,ES中分词规则、索引类型、字段格式等高级参数的支持

create table my_table (
	name text (analyzer = ik_max_word),
	dd text (index=no),
	age long (include_in_all=false)
);


对象、嵌套字段支持 as

create table my_index (
	id long,
	name text,
     obj object as (
         first_name text,
         second_name text (analyzer=pinyin)
     )
);


create table my_index (
	id long,
	name text,
   obj nested as (
         first_name text,
         second_name text (analyzer=pinyin)
   )
);


ES索引高级参数支持 with option

create table my_index (
	id long,
	name text
) with option (
	index.number_of_shards=10,
   index.number_of_replicas = 1
);

#Insert/Bulk

单条数据插入
insert into my_index.index (name,age) values ('zhangsan',24);

多条插入
bulk into my_index.index (name,age) values ('zhangsan',24),('lisi',24);


对象数据插入,[]list,{}Map

insert into my_index.index (ds) values (['zhejiang','hangzhou']);
		
insert into my_index.index (dd) values ({address='zhejiang',postCode='330010'});

#select/Aggregations

select * from my_table.my_index where name like 'john *' and age between 20 and 30 and (hotel = 'hanting' or flight = 'MH4510');

地理位置中心点查询
select * from hz_point where geo_distance({distance='1km',location='30.306378,120.247427'});

地理坐标区域查询
select * from hz_point where geo_bounding_box({location={top_left='31.306378,119.247427',bottom_right='29.285797,122.172329'}});

pipeline统计 move_avg
select count(*) as total, moving_avg({buckets_path=total}) from my_index group by date_histogram({field=timestamp,interval='1h'});

#explain

esql> explain select max(KSSJ) from my_test group by date_histogram({field=ts,interval='1h'});

{
  "_source": [], 
  "aggs": {
    "ts": {
      "aggs": {
        "_0_max": {
          "max": {
            "field": "KSSJ"
          }
        }
      }, 
      "date_histogram": {
        "field": "ts", 
        "interval": "1h"
      }
    }
  }, 
  "query": {
    "match_all": {}
  }, 
  "size": 0
}

Getting Started

环境要求python >= 2.7

export PYTHONHOME=(%python_path)
export PATH=$PYTHONHOME/bin:$PATH


安装第三方依赖包
pip install -r esql5.egg-info/requires.txt
或python setup.py install
	
修改配置文件esql5/conf

	elastic: {
	   hosts: [
	     {
	       host: 127.0.0.1
	       port: 9200
	     }
	   ]
	}
	
运行esql5服务 
(standalone):
cd esql5
python -m App.app

(with uwsgi)
cd esql5/bin
./service start


shell终端:
cd esql5/bin
./elsh	

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