code: func (stmt *Stmt) Close() error {
  	var firstErr error
  
  	if stmt.name != "" {
  		firstErr = stmt.closeStmt()
  	}
  
  	err := stmt.db.Close()
  	if err != nil && firstErr == nil {
  		firstErr = err
  	}
  
  	return firstErr
  }
docs: // Close closes the statement.