ElasticSearch基本操作

Doc

https://docs.spring.io/spring-data/elasticsearch/docs/current/reference/html/

聚合去重

http://192.168.1.100:9200/a-b/a_b/_search

{  
    "from": 0,  
    "size": 0,  
    "aggregations": {  
        "field1": {  
            "terms": {  
                "field": "xx",  
                "size": 21474837  
            }  
        }  
    }  
}