IPV6_STRING_TO_NUM

SinceVersion dev

IPV6_STRING_TO_NUM

description

Syntax

VARCHAR IPV6_STRING_TO_NUM(VARCHAR ipv6_string)

The reverse function of IPv6NumToString, it takes an IP address String and returns an IPv6 address in binary format. If the input string contains a valid IPv4 address, returns its IPv6 equivalent.

notice

will return an error if the input string is not a valid IP address or NULL

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