IPV4_NUM_TO_STRING

SinceVersion dev

IPV4_NUM_TO_STRING

description

Syntax

VARCHAR IPV4_NUM_TO_STRING(BIGINT ipv4_num)

Takes a Int16、Int32、Int64 number. Interprets it as an IPv4 address in big endian. Returns a string containing the corresponding IPv4 address in the format A.B.C.d (dot-separated numbers in decimal form).

notice

will return NULL if the input parameter is negative or larger than 4294967295(num value of '255.255.255.255')

example

  1. mysql> select ipv4_num_to_string(3232235521);
  2. +--------------------------------+
  3. | ipv4_num_to_string(3232235521) |
  4. +--------------------------------+
  5. | 192.168.0.1                    |
  6. +--------------------------------+
  7. 1 row in set (0.01 sec)
  9. mysql> select num,ipv4_num_to_string(num) from ipv4_bi;
  10. +------------+---------------------------+
  11. | num        | ipv4_num_to_string(`num`) |
  12. +------------+---------------------------+
  13. |         -1 | NULL                      |
  14. |          0 | 0.0.0.0                   |
  15. | 2130706433 | 127.0.0.1                 |
  16. | 4294967295 | 255.255.255.255           |
  17. | 4294967296 | NULL                      |
  18. +------------+---------------------------+
  19. 7 rows in set (0.01 sec)

keywords

IPV4_NUM_TO_STRING, IP