IPV4_STRING_TO_NUM_OR_DEFAULT

Description

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.

Syntax

IPV4_STRING_TO_NUM_OR_DEFAULT(<ipv4_string>)

Parameters

Parameter	Description
`<ipv4_string>`	String type of ipv4, like 'A.B.C.D'

Return Value

Returns a BIGINT number representing the corresponding IPv4 address in big endian.

If the input string is not a valid IPv4 address or NULL, 0 is returned.

Example

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                                  | 
+-----------------+------------------------------------+

IPV4_NUM_TO_STRING IPV4_STRING_TO_NUM_OR_NULL