IPV4_CIDR_TO_RANGE

IPV4_CIDR_TO_RANGE

IPV4_CIDR_TO_RANGE

Description

Syntax

STRUCT<IPV4, IPV4> IPV4_CIDR_TO_RANGE(IPV4 ip_v4, INT16 cidr)

接收一个IPv4和一个包含CIDR的Int16值。返回一个结构体，其中包含两个IPv4字段分别表示子网的较低范围（min）和较高范围（max）。

Example

mysql> SELECT ipv4_cidr_to_range(ipv4_string_to_num('192.168.5.2'), 16);
+------------------------------------------------------------+
| ipv4_cidr_to_range(ipv4_string_to_num('192.168.5.2'), 16)  |
+------------------------------------------------------------+
| {"min": "192.168.0.0", "max": "192.168.255.255"}           |
+------------------------------------------------------------+

mysql> SELECT ipv4_cidr_to_range(to_ipv4('192.168.5.2'), 16);
+--------------------------------------------------+
| ipv4_cidr_to_range(to_ipv4('192.168.5.2'), 16)   |
+--------------------------------------------------+
| {"min": "192.168.0.0", "max": "192.168.255.255"} |
+--------------------------------------------------+

mysql> SELECT ipv4_cidr_to_range(NULL, NULL);
+--------------------------------+
| ipv4_cidr_to_range(NULL, NULL) |
+--------------------------------+
| NULL                           |
+--------------------------------+

Keywords

IPV4_CIDR_TO_RANGE, IP