code: func (e *hdbError) String() string {
  	return fmt.Sprintf("errorCode %d, errorPosition %d, errorTextLength % d errorLevel %s, sqlState %s stmtNo %d errorText %s",
  		e.errorCode,
  		e.errorPosition,
  		e.errorTextLength,
  		e.errorLevel,
  		e.sqlState,
  		e.stmtNo,
  		e.errorText,
  	)
  }
docs: // String implements the Stringer interface.