更新时间:2024-12-11 GMT+08:00

IP Address函数

contains(network, address) → boolean

当CIDR网络中包含address时返回true。

示例:

  • 返回true:
    SELECT contains('10.0.0.0/8', IPADDRESS '10.255.255.255'); 
    
    SELECT contains('2001:0db8:0:0:0:ff00:0042:8329/128', IPADDRESS '2001:0db8:0:0:0:ff00:0042:8329');
  • 返回false:
    SELECT contains('10.0.0.0/8', IPADDRESS '11.255.255.255');  
    
    SELECT contains('2001:0db8:0:0:0:ff00:0042:8329/128', IPADDRESS '2001:0db8:0:0:0:ff00:0042:8328');