SQL IP Address Functions
Description
The IPv4 function can use an IPv4 address in dotted decimal notation (example: 192.168.0.1) or an IP address in integer format (example: 3232235521). The subnet parameter is an IPv4 subnet in CIDR notation (example: 192.168.0.0/16).
IP Function Statements
Statement |
Description |
Example |
---|---|---|
IPV4_MATCH(address,subnet) |
If subnet belongs to address, true is returned. Otherwise, false is returned. If address is not a valid IPv4 address, false is returned. This function is more efficient if address is an integer rather than a string. |
SELECT IPV4_MATCH (address,subnet) |
IPV4_PARSE(address) |
Parses address into an integer IPv4 address. If address is a valid IPv4 address, it can be parsed. If address is not a valid IPv4 address, null is returned. |
SELECT IPV4_PARSE(address) |
IPV4_STRINGIFY(address) |
Converts an integer address into an IPv4 address in dotted notation. If address is a valid integer IPv4 address, it can be parsed. If address is not an IPv4 address, null is returned. |
SELECT IPV4_STRINGIFY(address) |
Examples
IPV4_MATCH(address, subnet)
If address belongs to subnet, IPV4_MATCH returns true. Otherwise, false is returned. If address is not a valid IPv4 address, false is returned. This function is more efficient if address is an integer rather than a string.
- Example field
- Query and analysis statement
select IPV4,IPV4_MATCH(Ipv4, '192.168.0.0/16')
- Query and analysis result
Table 1 Query and analysis result IPV4
EXPR$1
192.168.1.18
true
IPV4_PARSE(address)/IPV4_STRINGIFY(address)
Parses address into an integer IPv4 address. If address is a valid IPv4 address, it can be parsed. If address is not a valid IPv4 address, null is returned.
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