support ftp and rsync in extract_domain

Author: ties

src/functions/extract_domain.cpp

@@ -35,7 +35,7 @@ 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_domain.test

@@ -144,6 +144,16 @@ SELECT extract_domain('com:443');
 ----
 com
 
+query I
+SELECT extract_domain('ftp://example.com/path');
+----
+example.com
+
+query I
+SELECT extract_domain('rsync://rpki.example.com/path');
+----
+example.com
+
 query I
 SELECT extract_domain('c');
 ----
@@ -162,4 +172,4 @@ SELECT extract_domain('http:/example.com.ac/path');
 query I
 SELECT extract_domain('http:/example.com.ac:443/path');
 ----
-(empty)
+(empty)