FEAT: Entra ID support with mssql-auth inside package

* FEAT: Entra ID support using mssql-auth

* resolved comments

Author: bewithgaurav

main.py

@@ -12,31 +12,10 @@
 
 cursor = conn.cursor()
 cursor.execute("SELECT database_id, name from sys.databases;")
-row = cursor.fetchmany(1)
-print(row)
+rows = cursor.fetchall()
 
-cursor.execute("DROP TABLE IF EXISTS main_single_column")
-
-# cursor.execute("CREATE TABLE main_single_column (float_column FLOAT)")
-# cursor.executemany("INSERT INTO main_single_column (float_column) VALUES (?)", [[12.34], [1.234], [0.125], [0.0125], [0.00125], [23243243232.432432432], [0.247985732852735032750973209750]])
-# cursor.execute("SELECT * FROM main_single_column")
-# row = cursor.fetchall()
-# print(row)
-# print(len(row))
-
-import time
-cursor.execute("CREATE TABLE main_single_column (decimal_column NUMERIC(10, 4))")
-# time.sleep(45)
-
-cursor.execute("INSERT INTO main_single_column (decimal_column) VALUES (?)", [decimal.Decimal(123.45).quantize(decimal.Decimal('0.00'))])
-cursor.execute("SELECT * FROM main_single_column")
-row = cursor.fetchone()[0]
-
-print(row)
-print(row.val)
-print(row.precision)
-print(row.scale)
-print(row.sign)
+for row in rows:
+    print(f"Database ID: {row[0]}, Name: {row[1]}")
 
 cursor.close()
 conn.close()

mssql_python/libs/win/1033/msodbcsqlr18.rll

@@ -246,6 +246,16 @@ void LoadDriverOrThrowException() {
         ThrowStdException("Failed to load driver");
     }
 
+    // Preload mssql-auth.dll from the same path if available
+    // TODO: Only load mssql-auth.dll if using Entra ID Authentication modes (Active Directory modes)
+    std::wstring authDllDir = std::wstring(ddbcModulePath) + L"\\libs\\win\\mssql-auth.dll";
+    HMODULE hAuthModule = LoadLibraryW(authDllDir.c_str());
+    if (hAuthModule) {
+        LOG("Authentication library loaded successfully from - {}", authDllDir.c_str());
+    } else {
+        LOG("Note: Authentication library not found at - {}. This is OK if you're not using Entra ID Authentication.", authDllDir.c_str());
+    }
+
     // Look for msodbcsql18.dll in a path relative to DDBC module
     std::wstring dllDir = std::wstring(ddbcModulePath) + L"\\libs\\win\\msodbcsql18.dll";
     HMODULE hModule = LoadLibraryW(dllDir.c_str());