С++ и ODBC

SQLRETURN retcode = SQLExecDirect( obj->hstmt, (SQLCHAR *)((string("CREATE TABLE IF NOT EXISTS ") + obj->db_table_name + string(" ("
        "id INT(11) NOT NULL AUTO_INCREMENT, "
        "order_id INT(11) NOT NULL, "
        "PRIMARY KEY (id)"
        ")")).c_str()), SQL_NTS );

int ODBC_SQL_connector::ConnectAndInitSQL()
{
    SQLRETURN retcode;
 
    retcode = SQLAllocHandle( SQL_HANDLE_ENV, SQL_NULL_HANDLE, &henv );
    
    retcode = SQLSetEnvAttr( henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER)SQL_OV_ODBC3, 0 ); 
    if (LogSQLResult( "SQLSetEnvAttr henv", retcode, SQL_HANDLE_ENV, henv ))
        return FALSE;
 
    retcode = SQLAllocHandle( SQL_HANDLE_DBC, henv, &hdbc ); 
    if (LogSQLResult( "SQLAllocHandle hdbc", retcode, SQL_HANDLE_ENV, henv ))
        return FALSE;
 
    retcode = SQLSetConnectAttr( hdbc, SQL_LOGIN_TIMEOUT, (SQLPOINTER)5, 0 );
    if (LogSQLResult( "SQLSetConnectAttr", retcode, SQL_HANDLE_DBC, hdbc ))
        return FALSE;
    
    retcode = SQLConnect( hdbc, (SQLCHAR *)db_server_name.c_str(), SQL_NTS, (SQLCHAR *)db_login.c_str(), SQL_NTS, (SQLCHAR *)db_password.c_str(), SQL_NTS );
    if (LogSQLResult( "SQLConnect", retcode, SQL_HANDLE_DBC, hdbc ))
        return FALSE;
    else
        connected = true;
 
    retcode = SQLAllocHandle( SQL_HANDLE_STMT, hdbc, &hstmt );
    if (LogSQLResult( "SQLAllocHandle hstmt", retcode, SQL_HANDLE_DBC, hdbc ))
        return FALSE;
 
    retcode = SQLExecDirect( hstmt, (SQLCHAR *)((string("USE ") + db_name).c_str()), SQL_NTS );
    if (LogSQLResult( "SQLExecDirect USE", retcode, SQL_HANDLE_STMT, hstmt ))
        return FALSE;
   
    return TRUE;
}