support ftp+rsync in extract_tld

Author: ties

src/functions/extract_tld.cpp

@@ -30,7 +30,7 @@ namespace duckdb
             Connection con (db);
 
             // Extract the host from the URL
-            std::regex host_regex (R"(^(?:https?:\/\/)?([^\/\?:]+))");
+            std::regex host_regex (R"(^(?:(?:https?|ftp|rsync):\/\/)?([^\/\?:]+))");
             std::smatch host_match;
             if (!std::regex_search (input, host_match, host_regex))
             {

test/sql/extract_tld.test

@@ -124,6 +124,16 @@ SELECT extract_tld('https://example.com.ac:443/path/path');
 ----
 com.ac
 
+query I
+SELECT extract_tld('ftp://ftp.example.com/path/path');
+----
+com
+
+query I
+SELECT extract_tld('rsync://rpki.example.com/path/path');
+----
+com
+
 
 query I
 SELECT extract_tld('com.ac');