IPV4_STRING_TO_NUM_OR_NULL
IPV4_STRING_TO_NUM_OR_NULL
Description
Syntax
BIGINT IPV4_STRING_TO_NUM_OR_NULL(VARCHAR ipv4_string)
BIGINT INET_ATON(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
If the input string is not a valid IPv4 address, NULL is returned. This function has an alias of INET_ATON.
Example
mysql> select ipv4_string_to_num_or_null('192.168.0.1');
+-------------------------------------------+
| ipv4_string_to_num_or_null('192.168.0.1') |
+-------------------------------------------+
| 3232235521 |
+-------------------------------------------+
1 row in set (0.01 sec)
mysql> select str, ipv4_string_to_num_or_null(str) from ipv4_str;
+-----------------+---------------------------------+
|str | ipv4_string_to_num_or_null(str) |
+-----------------+---------------------------------+
| 0.0.0.0 | 0 |
| 127.0.0.1 | 2130706433 |
| 255.255.255.255 | 4294967295 |
| invalid | NULL |
+-----------------+---------------------------------+
4 rows in set (0.01 sec)Keywords
IPV4_STRING_TO_NUM_OR_NULL, INET_ATON, IP