adding a connection class in c++

Author: Saumya Garg

mssql_python/pybind/connection/connection.cpp

@@ -0,0 +1,45 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+#include "connection.h"
+#include <iostream>
+
+Connection::Connection(const std::wstring& conn_str) : _conn_str(conn_str) {}
+
+Connection::~Connection() {
+    close();
+}
+
+SQLRETURN Connection::connect() {
+    LOG("Connecting to MSSQL");
+    // to be added 
+}
+
+SQLRETURN Connection::close() {
+    LOG("Disconnect from MSSQL");
+    // to be added
+}
+
+SQLRETURN Connection::commit() {
+    LOG("Committing transaction");
+    // to be added
+}
+
+SQLRETURN Connection::rollback() {
+    LOG("Rolling back transaction");
+    // to be added
+}
+
+SQLRETURN Connection::end_transaction(SQLSMALLINT completion_type) {
+    // to be added
+}
+
+SQLRETURN Connection::set_autocommit(bool enable) {
+    LOG("Setting autocommit mode C++");
+    // to be added
+}
+
+bool Connection::get_autocommit() const {
+    LOG("Getting autocommit mode C++");
+    // to be added
+}

mssql_python/pybind/connection/connection.h

@@ -0,0 +1,31 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT license.
+
+#ifndef CONNECTION_H
+#define CONNECTION_H
+
+#include "ddbc_bindings.h"
+
+class Connection {
+public:
+    Connection(const std::wstring& conn_str);
+    ~Connection();
+
+    SQLRETURN connect();
+    SQLRETURN close();
+    SQLRETURN commit();
+    SQLRETURN rollback();
+    SQLRETURN end_transaction(SQLSMALLINT completion_type);
+    SQLRETURN set_autocommit(bool value);
+    bool get_autocommit() const;
+
+private:
+
+    std::wstring _conn_str;
+    SqlHandlePtr _env_handle;
+    SqlHandlePtr _dbc_handle;
+
+    bool _autocommit = false;
+    std::shared_ptr<Connection> _conn; 
+};
+#endif // CONNECTION_H