IPV6_STRING_TO_NUM
IPV6_STRING_TO_NUM
IPV6_STRING_TO_NUM
description
Syntax
VARCHAR IPV6_STRING_TO_NUM(VARCHAR ipv6_string)
IPv6NumToString 的反向函数，它接受一个 IP 地址字符串并返回二进制格式的 IPv6 地址。 如果输入字符串包含有效的 IPv4 地址，则返回其等效的 IPv6 地址。
notice
如果输入非法的IP地址或者NULL，会抛出异常
example
mysql> select hex(ipv6_string_to_num('1111::ffff'));
+---------------------------------------+
| hex(ipv6_string_to_num('1111::ffff')) |
+---------------------------------------+
| 1111000000000000000000000000FFFF |
+---------------------------------------+
1 row in set (0.02 sec)
mysql> select hex(ipv6_string_to_num('192.168.0.1'));
+----------------------------------------+
| hex(ipv6_string_to_num('192.168.0.1')) |
+----------------------------------------+
| 00000000000000000000FFFFC0A80001 |
+----------------------------------------+
1 row in set (0.02 sec)
mysql> select hex(ipv6_string_to_num('notaaddress'));
ERROR 1105 (HY000): errCode = 2, detailMessage = (172.17.0.2)[CANCELLED][E33] Invalid IPv6 value
mysql> select addr_src, hex(ipv6_string_to_num(addr_src)) from ipv4_string_test where addr_src is null;
ERROR 1105 (HY000): errCode = 2, detailMessage = (172.17.0.2)[CANCELLED][E33] Null Input, you may consider convert it to a valid default IPv6 value like '::' first
keywords
IPV6_STRING_TO_NUM, IP
