code: func (ts *TiDBStatement) Execute(ctx context.Context, args ...interface{}) (rs ResultSet, err error) {
  	tidbRecordset, err := ts.ctx.session.ExecutePreparedStmt(ctx, ts.id, args...)
  	if err != nil {
  		return nil, err
  	}
  	if tidbRecordset == nil {
  		return
  	}
  	rs = &tidbResultSet{
  		recordSet: tidbRecordset,
  	}
  	return
  }
docs: // Execute implements PreparedStatement Execute method.