【ElasticSearch】使用 curl 查询

【ElasticSearch】使用 curl 查询

curl命令文档

http://www.ruanyifeng.com/blog/2019/09/curl-reference.html

查看索引

curl -XGET http://localhost:9200/_cat/indices

查看集群健康

curl -XGET localhost:9200/_cluster/health?pretty

删除索引

curl -XDELETE http://localhost:9200/myindex

删除数据

curl -XDELETE http://localhost:9200/myindex/_doc/1366566590637166593

查询全部

curl -XPOST  http://localhost:9200/_search?pretty -H 'Content-Type: application/json' -d '
{
  "query": {
    "match_all": {}
  }
}
'

统计件数

track_total_hits: true真实件数

curl -XPOST http://localhost:9200/myindex/_search?pretty -H 'Content-Type:application/json' -d '
{
  "size": 0, 
  "track_total_hits": true
}
'

 

curl -XPOST http://localhost:9200/myindex/_search?pretty -H 'Content-Type:application/json' -d '
{
  "track_total_hits": true, 
  "size": 0, 
  "query": {
    "match_all": {}
  }
}
'

使用聚合统计

curl -XPOST http://localhost:9200/myindex/_search?pretty -H 'Content-Type:application/json' -d '
{
  "size": 0, 
  "aggs": {
    "total": {
      "value_count": {
        "field": "id"
      }
    }
  }
}
'