if (file_exists($class_path)) {
         echo "\tClass god file exists" . PHP_EOL;
     } else {
         $column_list = $db_obj->getTableColumns($table_name);
         if (ModelHelper::createClassGodFile($table_name)) {
             echo 'ok' . PHP_EOL;
         } else {
             echo 'fail' . PHP_EOL;
         }
     }
     // sync table data
     $sql_path = DATA_SQL_ROOT . '/' . $table_name . '.sql';
     if (file_exists($sql_path)) {
         echo "\tTruncate `{$table_name}` data...";
         $sql = "TRUNCATE {$table_name}";
         if ($db_obj->query($sql)) {
             echo 'ok' . PHP_EOL;
             echo "\t\tImport `{$table_name}` data...";
             $sql = file_get_contents($sql_path);
             if ($db_obj->query($sql)) {
                 echo 'ok' . PHP_EOL;
             } else {
                 echo 'fail' . PHP_EOL;
             }
         } else {
             echo 'fail' . PHP_EOL;
         }
     } else {
         echo "\tNo data to import" . PHP_EOL;
     }
 } else {
 public static function syncData($table_name)
 {
     $sql_path = DATA_SQL_ROOT . '/' . $table_name . '.sql';
     if (!file_exists($sql_path)) {
         return false;
     } else {
         // end if (!file_exists($sql_path))
         $db_obj = new DatabaseAccess();
         $sql = "TRUNCATE {$table_name}";
         $auto_increment_result = $db_obj->query($sql);
         $sql = file_get_contents($sql_path);
         $import_result = $db_obj->query($sql);
         unset($db_obj);
         return $import_result;
     }
     // end if (!file_exists($sql_path)) else
 }