url_decode
function
Applies to: Databricks SQL Databricks Runtime 11.3 LTS and above
Translates a string back from application/x-www-form-urlencoded format.
Syntax
url_decode(str)
Arguments
str
: ASTRING
expression to decode.
Returns
A STRING
.
If the string does not comply with the application/x-www-form-urlencoded format, the function raises CANNOT_DECODE_URL.
To return NULL
instead, use the try_url_decode() function.
Examples
> SELECT url_encode('http://spark.apache.org/path?query=1');
http%3A%2F%2Fspark.apache.org%2Fpath%3Fquery%3D1
> SELECT url_decode('http%3A%2F%2Fspark.apache.org%2Fpath%3Fquery%3D1');
http://spark.apache.org/path?query=1
> SELECT url_decode('http%3A%2F%2spark.apache.org');
Error: CANNOT_DECODE_URL
> SELECT try_url_decode('http%3A%2F%2spark.apache.org');
NULL
> SELECT parse_url('http://spark.apache.org/path?query=1', 'QUERY', 'query');
1
> SELECT parse_url('http%3A%2F%2Fspark.apache.org%2Fpath%3Fquery%3D1', 'QUERY', 'query');
1