IPV6_STRING_TO_NUM

SinceVersion dev

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

1. mysql> select hex(ipv6_string_to_num('1111::ffff'));
2. +---------------------------------------+
3. | hex(ipv6_string_to_num('1111::ffff')) |
4. +---------------------------------------+
5. | 1111000000000000000000000000FFFF      |
6. +---------------------------------------+
7. 1 row in set (0.02 sec)

9. mysql> select hex(ipv6_string_to_num('192.168.0.1'));
10. +----------------------------------------+
11. | hex(ipv6_string_to_num('192.168.0.1')) |
12. +----------------------------------------+
13. | 00000000000000000000FFFFC0A80001       |
14. +----------------------------------------+
15. 1 row in set (0.02 sec)

17. mysql> select hex(ipv6_string_to_num('notaaddress'));
18. ERROR 1105 (HY000): errCode = 2, detailMessage = (172.17.0.2)[CANCELLED][E33] Invalid IPv6 value

20. mysql> select addr_src, hex(ipv6_string_to_num(addr_src)) from ipv4_string_test where addr_src is null;
21. 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