fix: convert input to lowercase

[no ci]

Author: hatamiarash7

src/functions/extract_domain.cpp

@@ -16,6 +16,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/extract_host.cpp

@@ -14,6 +14,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/extract_path.cpp

@@ -14,6 +14,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/extract_schema.cpp

@@ -14,6 +14,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/extract_subdomain.cpp

@@ -16,6 +16,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/extract_tld.cpp

@@ -16,6 +16,7 @@ namespace duckdb
         for (idx_t i = 0; i < args.size (); i++)
         {
             auto input = input_vector.GetValue (i).ToString ();
+            std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
             try
             {

src/functions/get_tranco.cpp

@@ -155,6 +155,7 @@ namespace duckdb
             for (idx_t i = 0; i < args.size (); i++)
             {
                 auto input = input_vector.GetValue (i).ToString ();
+                std::transform (input.begin (), input.end (), input.begin (), ::tolower);
 
                 try
                 {

test/sql/extract_domain.test

@@ -12,6 +12,11 @@ SELECT extract_domain('example.com');
 ----
 example.com
 
+query I
+SELECT extract_domain('ExaMple.com');
+----
+example.com
+
 query I
 SELECT extract_domain('example.com:443');
 ----

test/sql/extract_host.test

@@ -12,6 +12,11 @@ SELECT extract_host('http://example.com.ac/path');
 ----
 example.com.ac
 
+query I
+SELECT extract_host('http://exAmple.com.aC/paTh');
+----
+example.com.ac
+
 query I
 SELECT extract_host('http://example.com.ac:443/path');
 ----

test/sql/extract_path.test

@@ -17,6 +17,11 @@ SELECT extract_path('http://example.com.ac/path');
 ----
 /path
 
+query I
+SELECT extract_path('http://exAmple.com.ac/paTh');
+----
+/path
+
 query I
 SELECT extract_path('http://example.com.ac:443/path');
 ----