URL functions allow you to extract fields from standard URLs. A standard URL is as follows:
[protocol:][//host[:port]][path][? query][#fragment]Common URL functions
| Function | Description | Example | |
|---|---|---|---|
| Input | Output result | ||
url_extract_fragment(url) |
Extracts the fragment identifier from a URL and returns the result of the varchar type. | *| select url_extract_fragment('https://sls.console.aliyun.com/#/project/dashboard-demo/categoryList') |
/project/dashboard-demo/categoryList |
url_extract_host(url) |
Extracts the host from a URL and returns the result of the varchar type. | *|select url_extract_host('http://www.aliyun.com/product/sls') |
www.aliyun.com |
url_extract_parameter(url, name) |
Extracts the value of the name parameter in the query from a URL and returns the result of the varchar type. | *|select url_extract_parameter('http://www.aliyun.com/product/sls?userid=testuser','userid') |
testuser |
url_extract_path(url) |
Extracts the path from a URL and returns the result of the varchar type. | *|select url_extract_path('http://www.aliyun.com/product/sls?userid=testuser') |
/product/sls |
url_extract_port(url) |
Extracts the port number from a URL and returns the result of the bigint type. | *|select url_extract_port('http://www.aliyun.com:80/product/sls?userid=testuser') |
80 |
url_extract_protocol(url) |
Extracts the protocol from a URL and returns the result of the varchar type. | *|select url_extract_protocol('http://www.aliyun.com:80/product/sls?userid=testuser') |
http |
url_extract_query(url) |
Extracts the query string from a URL and returns the result of the varchar type. | *|select url_extract_query('http://www.aliyun.com:80/product/sls?userid=testuser') |
userid=testuser |
url_encode(value) |
Encodes a URL. | *|select url_encode('http://www.aliyun.com:80/product/sls?userid=testuser') |
http%3a%2f%2fwww.aliyun.com%3a80%2fproduct%2fsls%3fuserid%3dtestuser |
url_decode(value) |
Decodes a URL. | *|select url_decode('http%3a%2f%2fwww.aliyun.com%3a80%2fproduct%2fsls%3fuserid%3dtestuser') |
http://www.aliyun.com:80/product/sls?userid=testuser |