IPV4_STRING_TO_NUM_OR_NULL

SinceVersion dev

IPV4_STRING_TO_NUM_OR_NULL

description

Syntax

BIGINT IPV4_STRING_TO_NUM_OR_NULL(VARCHAR ipv4_string)

Takes a string containing an IPv4 address in the format A.B.C.D (dot-separated numbers in decimal form). Returns a BIGINT number representing the corresponding IPv4 address in big endian.

notice

will return null if the input parameter is invalid ipv4 value

example

  1. mysql> select ipv4_string_to_num_or_null('192.168.0.1');
  2. +-------------------------------------------+
  3. | ipv4_string_to_num_or_null('192.168.0.1') |
  4. +-------------------------------------------+
  5. | 3232235521 |
  6. +-------------------------------------------+
  7. 1 row in set (0.01 sec)
  8. mysql> select str, ipv4_string_to_num_or_null(str) from ipv4_str;
  9. +-----------------+---------------------------------+
  10. |str | ipv4_string_to_num_or_null(str) |
  11. +-----------------+---------------------------------+
  12. | 0.0.0.0 | 0 |
  13. | 127.0.0.1 | 2130706433 |
  14. | 255.255.255.255 | 4294967295 |
  15. | invalid | NULL |
  16. +-----------------+---------------------------------+
  17. 4 rows in set (0.01 sec)

keywords

IPV4_STRING_TO_NUM_OR_NULL, IP