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Categories: String

PARSE_URL

Returns the specified part of the URL or the value for the specified QUERY key.

Syntax​

PARSE_URL(urlToParse VARCHAR, urlPartToExtract STRING [, queryKeyToExtract STRING]) → STRING​

  • urlToParse: Input URL to parse.
  • urlPartToExtract: String that specifies the part of the URL to extract. Available values are HOST, PATH, QUERY, REF, PROTOCOL, AUTHORITY, FILE, and USERINFO.
  • queryKeyToExtract (optional): Optional QUERY key to extract. If specified and the given QUERY key is found, the QUERY key value is returned. Otherwise, returns null.

Examples

PARSE_URL example 
SELECT parse_url('http://dremio.com/path/p1.php?query=1', 'QUERY')
-- query=1
PARSE_URL example 
SELECT parse_url('http://dremio.com/path/p1.php?query=1&k1=v1', 'QUERY', 'k1')
-- v1
PARSE_URL example 
SELECT parse_url('http://dremio.com/path/p1.php?query=1&k1=v1', 'QUERY', 'k2')
-- null