IS_IPV4_COMPAT

IS_IPV4_COMPAT

Description

Syntax

VARCHAR IS_IPV4_COMPAT(INET6_ATON(VARCHAR ipv4_addr))

This function takes an IPv6 address represented in numeric form as a binary string, as returned by INET6_ATON(). It returns 1 if the argument is a valid IPv4-compatible IPv6 address, 0 otherwise (unless expr is NULL, in which case the function returns NULL). IPv4-compatible addresses have the form ::ipv4_address.

Example

  1. mysql> SELECT IS_IPV4_COMPAT(INET6_ATON('::ffff:10.0.5.9')) AS is_result;
  2. +-----------+
  3. | is_result |
  4. +-----------+
  5. |         0 |
  6. +-----------+
  7. 1 row in set (0.02 sec)
  9. mysql> SELECT IS_IPV4_COMPAT(INET6_ATON('::10.0.5.9')) AS is_result;
  10. +-----------+
  11. | is_result |
  12. +-----------+
  13. |         1 |
  14. +-----------+
  15. 1 row in set (0.03 sec)

Keywords

IS_IPV4_COMPAT, IP