code: func (*MysqlDB) GetGoDataType(sqlType string) (string, error) {
  	if v, ok := typeMappingMysql[sqlType]; ok {
  		return v, nil
  	}
  	return "", fmt.Errorf("data type '%s' not found", sqlType)
  }
docs: // GetGoDataType maps an SQL data type to Golang data type