TO_IPV6_OR_DEFAULT
IPV6 TO_IPV6_OR_DEFAULT(STRING ipv6_str)
Same as to_ipv6, but if the IPv6 address has an invalid format, it returns :: (0 as IPv6).
If input is NULL, return :: (0 as IPv6).
mysql> select to_ipv6_or_default('.'); +-------------------------+ | to_ipv6_or_default('.') | +-------------------------+ | :: | +-------------------------+ mysql> select to_ipv6_or_default(NULL); +--------------------------+ | to_ipv6_or_default(NULL) | +--------------------------+ | :: | +--------------------------+
TO_IPV6_OR_DEFAULT, IP