IPV6_STRING_TO_NUM_OR_NULL
IPV6_STRING_TO_NUM_OR_NULL
Description
Syntax
VARCHAR IPV6_STRING_TO_NUM_OR_NULL(VARCHAR ipv6_string)
VARCHAR INET6_ATON(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
If an illegal IP address is entered, NULL is returned. This function has an alias INET6_ATON.
Example
mysql> select hex(ipv6_string_to_num_or_null('1111::ffff'));
+-----------------------------------------------+
| hex(ipv6_string_to_num_or_null('1111::ffff')) |
+-----------------------------------------------+
| 1111000000000000000000000000FFFF |
+-----------------------------------------------+
1 row in set (0.01 sec)
mysql> select hex(ipv6_string_to_num_or_null('192.168.0.1'));
+------------------------------------------------+
| hex(ipv6_string_to_num_or_null('192.168.0.1')) |
+------------------------------------------------+
| 00000000000000000000FFFFC0A80001 |
+------------------------------------------------+
1 row in set (0.02 sec)
mysql> select hex(ipv6_string_to_num_or_null('notaaddress'));
+------------------------------------------------+
| hex(ipv6_string_to_num_or_null('notaaddress')) |
+------------------------------------------------+
| NULL |
+------------------------------------------------+
1 row in set (0.02 sec)Keywords
IPV6_STRING_TO_NUM_OR_NULL, INET6_ATON, IP