IPV4_STRING_TO_NUM_OR_DEFAULT
Descriptionβ
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.
Syntaxβ
IPV4_STRING_TO_NUM_OR_DEFAULT(<ipv4_string>)
Parametersβ
| Parameter | Description |
|---|---|
<ipv4_string> | String type of ipv4, like 'A.B.C.D' |
Return Valueβ
Returns a BIGINT number representing the corresponding IPv4 address in big endian.
- If the input string is not a valid IPv4 address or
NULL,0is returned.
Exampleβ
select ipv4_string_to_num_or_default('192.168.0.1');
+----------------------------------------------+
| ipv4_string_to_num_or_default('192.168.0.1') |
+----------------------------------------------+
| 3232235521 |
+----------------------------------------------+
select str, ipv4_string_to_num_or_default(str) from ipv4_str;
+-----------------+------------------------------------+
|str | ipv4_string_to_num_or_default(str) |
+-----------------+------------------------------------+
| 0.0.0.0 | 0 |
| 127.0.0.1 | 2130706433 |
| 255.255.255.255 | 4294967295 |
| invalid | 0 |
+-----------------+------------------------------------+
